Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-487 A Washington Zone 4 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-487 0 Washington Zone 4 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-487 1 Washington Zone 4 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-487 2 Washington Zone 4 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-487 3 Washington Zone 4 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-487 4 Washington Zone 4 MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-487 5 Washington Zone 4 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-487 6 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2005-07-20   
240-487 7 Washington Zone 4 MD HRNDVACKBMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 236   2005-07-04   
240-487 8 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-11   
240-487 9 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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