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: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-719 A Washington Zone 16 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-719 0 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-719 1 Washington Zone 16 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-719 2 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
301-719 3 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
301-719 4 Washington Zone 16 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-22   
301-719 5 Washington Zone 16 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-04-15   
301-719 6 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-22   
301-719 7 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-22   
301-719 8 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-719 9 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-22   

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

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