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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-544 A Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 0 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 1 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 2 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 3 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 4 Washington Zone 14 MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236      
240-544 5 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 6 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-544 7 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-544 8 Washington Zone 14 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-544 9 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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