Local Calling Guide

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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-550 A Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-550 0 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-09-10   
301-550 1 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-09-10   
301-550 2 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
301-550 3 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-10-17   
301-550 4 Washington Zone 10 MD BTVLMD127MD  5562 METROPCS, INC. 236   2022-11-14   
301-550 5 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 6 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 7 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 8 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 9 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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