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: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-825 A Washington Zone 10 MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-825 0 Washington Zone 10 MD   7421 AT&T LOCAL 236      
301-825 1 Washington Zone 10 MD   5562 METRO PCS, INC. 236   2013-08-01   
301-825 2 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-09-19   
301-825 3 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-09-19   
301-825 4 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-09-19   
301-825 5 Washington Zone 10 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   
301-825 6 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-09-19   
301-825 7 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2006-12-27   
301-825 8 Washington Zone 10 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   
301-825 9 Washington Zone 10 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   

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

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