Local Calling Guide

Area code/prefix search

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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-837 A Hughesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-837 0 Hughesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-837 1 Hughesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236   2011-05-21   
240-837 2 Hughesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-16   
240-837 3 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2014-02-09   
240-837 4 Hughesville MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-07-15   
240-837 5 Hughesville MD WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS LLC 236   2014-06-12   
240-837 6 Hughesville MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
240-837 7 Hughesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-837 8 Hughesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-10-06   
240-837 9 Hughesville MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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