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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-547MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7529WSHNGTNZN2WASHDCDTDS100/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-547
301-547-0MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7529WSHNGTNZN2WASHDCDTDS1N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT002/28/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-2MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7529WSHNGTNZN2WASHDCDTDS1N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-3MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119WSHNGTNZN2NOCLLIKNOWN05/10/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-4MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7529WSHNGTNZN2WASHDCDTDS1N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-5MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855WSHNGTNZN2BTVLMD12CMA12/13/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-6MDNUSO, LLC551GWSHNGTNZN2CHCHMDBEX4X08/01/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-7MDONVOY, LLC - MD (Inteliquent)876DWSHNGTNZN2NOCLLIKNOWN11/04/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-8MDXO MARYLAND, LLC (Verizon Communications)4773WSHNGTNZN2WASHDCCZDS102/11/2014Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
301-547-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855WSHNGTNZN2BTVLMD12CMA01/10/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD (236)
Tandem: N/A
Detailed Switch Info
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