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: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-917 A Washington Zone 10 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-917 0 Washington Zone 10 MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-917 1 Washington Zone 10 MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-917 2 Washington Zone 10 MD   4716 PAETEC COMMUNICATIONS, INC. - MD 236   2007-05-15   
301-917 3 Washington Zone 10 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-12-05   
301-917 4 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
301-917 5 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-12   
301-917 6 Washington Zone 10 MD   1958 ATX TELECOMMUNICATIONS SERVICES, LTD 236   2005-07-08   
301-917 7 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
301-917 8 Washington Zone 10 MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-917 9 Washington Zone 10 MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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