Rate Center Name: , State:
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
227-220MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT011/03/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 227-220
227-220-0MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN11/28/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-1MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN11/28/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-2MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN11/28/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-3MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN11/28/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN04/17/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT012/07/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/07/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT012/07/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/07/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-220-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT011/03/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-722MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN04/23/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 227-722
227-722-7MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN04/23/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-722-8MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN04/23/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-210
240-210-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-7MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN10/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-8MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN07/17/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-210-9MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN03/30/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213MDPEERLESS NETWORK OF MARYLAND, LLC568GWALDORFWASHDC12DS600/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-213
240-213-0MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN12/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-1MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN12/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-2MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN12/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-3MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN03/31/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN03/31/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-5MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN12/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-6MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN09/17/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN09/17/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-8MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN12/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-213-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWALDORFWASHDC12DS6N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA03/15/2001Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-216
240-216-0MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/29/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-216-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WALDORFHRNDVA13AMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-222
240-222-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT008/04/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-1MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN07/14/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/05/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-3MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN06/30/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-4MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WALDORFHRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-5MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN07/14/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-6MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-8MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-222-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WALDORFHRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS400/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-229
240-229-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA03/23/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA08/23/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT009/20/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT009/20/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT007/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-6MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN09/20/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA12/22/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA03/02/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-229-9MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN09/20/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD11/07/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-270
240-270-0MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN06/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-1MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN03/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-2MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN03/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT011/10/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD03/14/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-5MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/05/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-7MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN03/10/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-8MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN07/18/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-270-9MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697WALDORFNOCLLIKNOWN06/23/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-279MDCORE COMMUNICATIONS, INC.- MD2593WALDORFDMSCMDAGDS000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-299
240-299-0MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-299-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/07/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-300
240-300-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/07/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT003/22/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT003/22/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT003/22/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA04/22/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA04/22/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA04/22/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA04/22/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA04/22/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-300-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA04/22/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WALDORFWASHDC12OMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-320
240-320-0MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WALDORFWASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-1MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WALDORFWASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD07/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD08/02/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/05/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD01/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-8MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WALDORFWASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-320-9MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WALDORFWASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-346
240-346-0MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/26/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/26/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-346-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368MDPEERLESS NETWORK OF MARYLAND, LLC568GWALDORFRSTNVA31DS000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-368
240-368-0MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN09/16/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-1MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN09/16/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-2MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN09/16/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-3MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN04/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN08/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-5MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-6MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN08/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN08/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-8MDCOMMIO, LLC939HWALDORFNOCLLIKNOWN09/16/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-368-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWALDORFRSTNVA31DS0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA01/16/2001Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-412
240-412-0MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN01/10/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA07/02/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-2MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN08/17/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA06/26/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA06/26/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA06/26/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA02/07/2008Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA07/28/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA03/29/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-412-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT005/18/2001Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-416
240-416-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/15/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-416-9MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN11/17/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/29/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-419
240-419-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/30/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-2MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN04/18/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-3MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN04/18/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/06/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-5MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/21/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-6MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD11/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/09/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-419-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD08/04/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFWASHDCCZDS004/23/2001Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-427
240-427-0MDTERRA NOVA TELECOM INC.145JWALDORFWASHDCCZDS005/23/2023Prefix Type: IPES
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-1MDUS LEC OF MARYLAND, INC.2589WALDORFTYCRVA03DS004/04/2002Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA02/04/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFWASHDCCZDS004/27/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFWASHDCCZDS004/27/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-5MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN10/25/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA07/05/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-427-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFWASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/07/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-435
240-435-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/03/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-2MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN06/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA07/06/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-4MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN05/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/04/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA07/06/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-7MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFNOCLLIKNOWN07/20/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT007/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-435-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT007/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448MDONVOY, LLC - MD (Inteliquent)876DWALDORFBTVLMD12CMA00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-448
240-448-0MDIP HORIZON LLC515JWALDORFNOCLLIKNOWN05/02/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-1MDONVOY, LLC - MD (Inteliquent)876DWALDORFBTVLMD12CMA07/06/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFRSTNVABHDS311/05/2014Prefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-3MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN04/16/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFBTVLMD12CMA07/06/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-5MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN10/01/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-6MDONVOY, LLC - MD (Inteliquent)876DWALDORFBTVLMD12CMA02/12/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFBTVLMD12CMA02/12/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT009/07/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-448-9MDONVOY, LLC - MD (Inteliquent)876DWALDORFBTVLMD12CMA09/20/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-458
240-458-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/17/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT012/30/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-2MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN02/24/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-3MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN02/24/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/19/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-5MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN09/15/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/26/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/26/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT012/30/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-458-9MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN09/20/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518MDNUSO, LLC732JWALDORFMRBGWVBUX0X00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-518
240-518-0MDPEERLESS NETWORK OF MARYLAND, LLC568GWALDORFNOCLLIKNOWN06/27/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-1MDNUSO, LLC732JWALDORFMRBGWVBUX0X09/26/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-2MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN11/15/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-3MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN11/15/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/19/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/26/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFNOCLLIKNOWN02/09/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/19/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-8MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN10/11/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-518-9MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530MDCORE COMMUNICATIONS, INC.- MD2593WALDORFARTNVAARXJY00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-530
240-530-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/18/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-1MDIP HORIZON LLC515JWALDORFNOCLLIKNOWN08/07/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-2MDCORE COMMUNICATIONS, INC.- MD2593WALDORFARTNVAARXJY10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-3MDCORE COMMUNICATIONS, INC.- MD2593WALDORFARTNVAARXJY10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-4MDCORE COMMUNICATIONS, INC.- MD2593WALDORFARTNVAARXJY10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-5MDBARR TELL USA, INC.964HWALDORFNOCLLIKNOWN11/01/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-6MDCORE COMMUNICATIONS, INC.- MD2593WALDORFARTNVAARXJY10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JWALDORFWASIDCRG7MD03/05/2014Prefix Type: IPES
Switch Name: WSHNGTNZN1
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-8MDPEERLESS NETWORK OF MARYLAND, LLC568GWALDORFNOCLLIKNOWN10/02/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-530-9MDCORE COMMUNICATIONS, INC.- MD2593WALDORFARTNVAARXJY10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/29/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-585
240-585-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/29/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/04/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/04/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/04/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-4MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-5MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN06/24/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-6MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-7MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN08/24/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-8MDTELNYX LLC073HWALDORFNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-585-9MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WALDORFWASJDCDCDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-607
240-607-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WALDORFWASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-1MDUS LEC OF MARYLAND, INC.2589WALDORFTYCRVA03DS003/24/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-2MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN07/14/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-3MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WALDORFWASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WALDORFWASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-6MDXO MARYLAND, LLC (Verizon Communications)4773WALDORFWASHDCCZDS104/27/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-7MDXO MARYLAND, LLC (Verizon Communications)4773WALDORFWASHDCCZDS104/27/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-8MDXO MARYLAND, LLC (Verizon Communications)4773WALDORFWASHDCCZDS104/27/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-607-9MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN07/14/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT003/24/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-640
240-640-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/26/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT002/11/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT002/23/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT004/15/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT005/10/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT006/11/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT007/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-640-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT012/07/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682MDSTARPOWER COMMUNICATIONS, LLC - MD8832WALDORFLNHMMDADGT000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-682
240-682-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/03/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/02/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD08/06/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD07/08/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD09/08/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD11/02/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/05/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD03/03/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-8MDSTARPOWER COMMUNICATIONS, LLC - MD8832WALDORFLNHMMDADGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-682-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD04/06/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS411/11/2011Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-754
240-754-0MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-1MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS411/14/2011Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-3MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN12/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN05/28/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-5MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WALDORFCHCHMDBE6MD03/22/2012Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-6MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WALDORFCHCHMDBE6MD03/22/2012Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-7MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN08/23/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-8MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-754-9MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-266MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-374
301-374-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-3MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-4MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-7MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-8MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN04/28/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-374-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-396
301-396-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-2MDCOMCAST IP PHONE, LLC318JWALDORFNOCLLIKNOWN03/01/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-6MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN02/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-396-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-399
301-399-0MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-399-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMAN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-535MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WALDORFWASHDCTTDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-542
301-542-0MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WALDORFWASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697WALDORFNOCLLIKNOWN12/21/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD04/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/12/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/15/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/24/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD05/12/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-8MDATX TELECOMMUNICATIONS SERVICES, LTD.1958WALDORFNOCLLIKNOWN02/27/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-542-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD07/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-553MDUSA MOBILITY WIRELESS, INC. (Spok, Inc)6630WALDORFSLSPMDSSX6X00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-597
301-597-0MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN02/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-1MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-2MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN02/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-3MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN02/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-4MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-5MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN02/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-6MDONVOY SPECTRUM, LLC (Inteliquent)624HWALDORFNOCLLIKNOWN02/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-7MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-597-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT001/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS000/00/0000Prefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-609
301-609-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD01/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD01/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD02/06/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-609-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS0N/APrefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-632
301-632-0MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-1MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-632-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-638
301-638-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-6MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-8MDONVOY, LLC - MD (Inteliquent)876DWALDORFNOCLLIKNOWN02/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-638-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-643MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-645MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-653MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-659
301-659-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WALDORFBTVLMD18GT006/30/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-659-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA02/07/2008Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-705
301-705-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-1MDTERRA NOVA TELECOM INC.145JWALDORFNOCLLIKNOWN12/22/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-705-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS412/30/2005Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-710
301-710-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS410/05/2007Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS411/20/2007Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/29/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/29/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/29/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS401/05/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS401/05/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/29/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WALDORFBTVLMD12CMA10/29/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-710-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS410/16/2007Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-751MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-752MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-764
301-764-0MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-3MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-4MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-8MDIP HORIZON LLC515JWALDORFNOCLLIKNOWN03/27/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-764-9MDCORE COMMUNICATIONS, INC.- MD2593WALDORFNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-818MDBANDWIDTH.COM CLEC, LLC - MD071FWALDORFWDRFMDWDDS000/00/0000Prefix Type: CLEC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-848MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS400/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-861
301-861-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS401/26/2005Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-1MDLIGHTWAVE COMMUNICATIONS, LLC - MD5966WALDORFNOCLLIKNOWN09/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WALDORFRSTNVABHDS302/21/2006Prefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS409/15/2006Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WALDORFMCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-5MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WALDORFCHCHMDBE6MD02/28/2005Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD06/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD07/03/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD08/02/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-861-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD04/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS000/00/0000Prefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-885
301-885-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFWDRFMDWDDS0N/APrefix Type: RBOC
Switch Name: WALDORF
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-4MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596WALDORFNOCLLIKNOWN10/23/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-5MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492WALDORFNOCLLIKNOWN02/24/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD10/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD12/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-885-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WALDORFWASKDCFNAMD11/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-932MDVERIZON MARYLAND, INC. (Verizon Communications)9212WALDORFLPLTMDLADS000/00/0000Prefix Type: RBOC
Switch Name: LA PLATA
Switch Type: WECO 5ESS Host (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2023, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.