Local Calling Guide

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

NXX: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-281 A Washington Zone 6 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-281 0 Washington Zone 6 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-281 1 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-281 2 Washington Zone 6 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-281 3 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-281 4 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-281 5 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-281 6 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-281 7 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-281 8 Washington Zone 6 MD HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236      
301-281 9 Washington Zone 6 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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