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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-476 A Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 0 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-13   
301-476 1 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 2 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 3 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-02-06   
301-476 4 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-476 5 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 6 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 7 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 8 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 9 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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