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: 685

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-685 A Damascus MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-685 0 Damascus MD   876D ONVOY, LLC - MD 236   2012-10-06   
301-685 1 Damascus MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-685 2 Damascus MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-29   
301-685 3 Damascus MD   4716 PAETEC COMMUNICATIONS, INC. - MD 236   2004-09-28   
301-685 4 Damascus MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-29   
301-685 5 Damascus MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-685 6 Damascus MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-685 7 Damascus MD   876D ONVOY, LLC - MD 236   2016-03-11   
301-685 8 Damascus MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 236   2003-12-25   
301-685 9 Damascus MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      

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

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