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: 715

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-715 A Washington Zone 15 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-715 0 Washington Zone 15 MD   515J IP HORIZON LLC 236      
301-715 1 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-715 2 Washington Zone 15 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-715 3 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-715 4 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-715 5 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-715 6 Washington Zone 15 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
301-715 7 Washington Zone 15 MD   624H ONVOY SPECTRUM, LLC 236      
301-715 8 Washington Zone 15 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
301-715 9 Washington Zone 15 MD   515J IP HORIZON LLC 236      

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

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