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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-840MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT005/04/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-840
443-840-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT005/05/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212CATONSVLCTVLMDCTDS005/27/2008Prefix Type: RBOC
Switch Name: CATONSVILLE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212CATONSVLCTVLMDCTDS005/27/2008Prefix Type: RBOC
Switch Name: CATONSVILLE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212CATONSVLCTVLMDCTDS005/27/2008Prefix Type: RBOC
Switch Name: CATONSVILLE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212CATONSVLCTVLMDCTDS005/27/2008Prefix Type: RBOC
Switch Name: CATONSVILLE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212CATONSVLCTVLMDCTDS005/27/2008Prefix Type: RBOC
Switch Name: CATONSVILLE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-6MDBANDWIDTH.COM CLEC, LLC - MD071FCATONSVLNOCLLIKNOWN05/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-7MDBANDWIDTH.COM CLEC, LLC - MD071FCATONSVLNOCLLIKNOWN07/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-8MDBANDWIDTH.COM CLEC, LLC - MD071FCATONSVLNOCLLIKNOWN07/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-840-9MDBANDWIDTH.COM CLEC, LLC - MD071FCATONSVLNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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