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: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-771 A Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-771 0 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-18   
240-771 1 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-18   
240-771 2 Poolesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-01   
240-771 3 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-08-05   
240-771 4 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-08-05   
240-771 5 Poolesville MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-02-02   
240-771 6 Poolesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-01   
240-771 7 Poolesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-01   
240-771 8 Poolesville MD WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-771 9 Poolesville MD VINNVACB0MD  082H LOCAL ACCESS LLC - MD 236   2016-05-31   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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