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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-225 A Washington Zone 14 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 0 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 1 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 2 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 3 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 4 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 5 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 6 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 7 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 8 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   
301-225 9 Washington Zone 14 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-20   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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