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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-514 A Washington Zone 11 MD TYCRVA03DS0  2589 US LEC OF MARYLAND, INC. 236      
240-514 0 Washington Zone 11 MD   2589 US LEC OF MARYLAND, INC. 236      
240-514 1 Washington Zone 11 MD   2589 US LEC OF MARYLAND, INC. 236      
240-514 2 Washington Zone 11 MD   2589 US LEC OF MARYLAND, INC. 236      
240-514 3 Washington Zone 11 MD   2589 US LEC OF MARYLAND, INC. 236      
240-514 4 Washington Zone 11 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-25   
240-514 5 Washington Zone 11 MD   2589 US LEC OF MARYLAND, INC. 236      
240-514 6 Washington Zone 11 MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-04-19   
240-514 7 Washington Zone 11 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-514 8 Washington Zone 11 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-514 9 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2018-10-24   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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