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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-542 A Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 0 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 1 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 2 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 3 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 4 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2009-12-11   
240-542 5 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 6 Washington Zone 13 MD   515J IP HORIZON LLC 236   2010-08-19   
240-542 7 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-542 8 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-22   
240-542 9 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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