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: 823

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-823 A Washington Zone 13 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-823 2 Washington Zone 13 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-823 3 Washington Zone 13 MD WASHDCMTX7X  2697 CTC COMMUNICATIONS CORP. - MD 236      
301-823 4 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-823 5 Washington Zone 13 MD WASHDC125MD  197D VONAGE AMERICA LLC 236      
301-823 7 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-823 8 Washington Zone 13 MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236      
301-823 9 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      

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

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