Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-635 A Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-635 0 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-05-16   
301-635 1 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-05-16   
301-635 2 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-01-07   
301-635 3 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-09-14   
301-635 4 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-09-14   
301-635 5 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-09-14   
301-635 6 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-02-09   
301-635 7 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-02-09   
301-635 8 Washington Zone 5 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-11-03   
301-635 9 Washington Zone 5 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-09-07   

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

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