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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-437MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325POCOMOKESLBRMDSBXUX11/01/2004Prefix Type: CLEC
Switch Name: SALISBURY
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-437
443-437-0MDONVOY, LLC - MD (Sinch)876DPOCOMOKENOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-1MDONVOY, LLC - MD (Sinch)876DPOCOMOKENOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-2MDTERRA NOVA TELECOM INC.145JPOCOMOKENOCLLIKNOWN11/01/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228POCOMOKEESTNMDES5MD12/27/2011Prefix Type: CLEC
Switch Name: EASTON
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-4MDONVOY, LLC - MD (Sinch)876DPOCOMOKENOCLLIKNOWN03/21/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119POCOMOKENOCLLIKNOWN04/20/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-6MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325POCOMOKESLBRMDSBXUX03/06/2012Prefix Type: CLEC
Switch Name: SALISBURY
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-7MDCOMCAST IP PHONE, LLC (Comcast)318JPOCOMOKENOCLLIKNOWN06/20/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-8MDTELNYX LLC073HPOCOMOKENOCLLIKNOWN08/31/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
443-437-9MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EPOCOMOKENOCLLIKNOWN03/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
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