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
301-701 A Washington Zone 13 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-701 0 Washington Zone 13 MD   5562 METRO PCS, INC. 236   2018-04-08   
301-701 1 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-15   
301-701 6 Washington Zone 13 MD   197D VONAGE NETWORK INC. 236   2020-05-20   
301-701 7 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-15   
301-701 8 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-15   
301-701 9 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-15   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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