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: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-624 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
240-624 0 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-01-15   
240-624 1 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-624 2 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
240-624 3 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
240-624 4 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
240-624 5 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
240-624 6 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
240-624 7 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-10-24   
240-624 8 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
240-624 9 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-10-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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