Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
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
443-784MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325ARGRGBSNISBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-784
443-784-0MDLOCAL ACCESS LLC - MD082HARGRGBSNISNOCLLIKNOWN08/12/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN12/29/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/11/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-3MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228ARGRGBSNISBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-4MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325ARGRGBSNISBLTMMDFMDS010/21/2004Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/11/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/11/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/25/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN07/12/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN12/29/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Member of The Internet Defense League