Local Calling Guide

Area code/prefix search

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OCN: 8992 ALLEGIANCE TELECOM, INC. - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-200 1 Washington Zone 2 MD WASHDCRKDS3  236   2011-05-13   
240-223 A Washington Zone 2 MD WASHDCRKDS3  236      
240-223 0 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 1 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 2 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 3 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 4 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 5 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 6 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 8 Washington Zone 2 MD WASHDCRKDS3  236      
240-223 9 Washington Zone 2 MD WASHDCRKDS3  236      
240-243 A Gaithersburg MD WASHDCRKDS3  236      
240-243 0 Gaithersburg MD WASHDCRKDS3  236      
240-243 1 Gaithersburg MD WASHDCRKDS3  236      
240-243 2 Gaithersburg MD WASHDCRKDS3  236      
240-243 4 Gaithersburg MD WASHDCRKDS3  236      
240-243 5 Gaithersburg MD WASHDCRKDS3  236      
240-243 9 Gaithersburg MD WASHDCRKDS3  236      
240-247 A Washington Zone 3 MD WASHDCRKDS3  236      
240-247 0 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 1 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 2 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 3 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 4 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 5 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 6 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 8 Washington Zone 3 MD WASHDCRKDS3  236      
240-247 9 Washington Zone 3 MD WASHDCRKDS3  236      
240-260 A Washington Zone 14 MD WASHDCRKDS3  236      
240-260 0 Washington Zone 14 MD WASHDCRKDS3  236      
240-260 1 Washington Zone 14 MD WASHDCRKDS3  236      
240-260 2 Washington Zone 14 MD WASHDCRKDS3  236      
240-260 4 Washington Zone 14 MD WASHDCRKDS3  236      
240-260 9 Washington Zone 14 MD WASHDCRKDS3  236      
240-268 A Washington Zone 10 MD WASHDCRKDS3  236      
240-268 0 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 1 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 2 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 3 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 5 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 6 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 7 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 8 Washington Zone 10 MD WASHDCRKDS3  236      
240-268 9 Washington Zone 10 MD WASHDCRKDS3  236      
240-290 A Washington Zone 11 MD WASHDCRKDS3  236      
240-290 0 Washington Zone 11 MD WASHDCRKDS3  236      
240-290 1 Washington Zone 11 MD WASHDCRKDS3  236      
240-290 2 Washington Zone 11 MD WASHDCRKDS3  236      
240-290 3 Washington Zone 11 MD WASHDCRKDS3  236      
240-290 4 Washington Zone 11 MD WASHDCRKDS3  236      

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

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