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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-261 A Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-261 0 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-02-25   
240-261 1 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-02-25   
240-261 2 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-02-25   
240-261 3 Gaithersburg MD BTVLMD127MD  5562 METROPCS, INC. 236   2016-03-26   
240-261 4 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-04-25   
240-261 5 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-05-18   
240-261 6 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-08-12   
240-261 7 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2016-09-19   
240-261 8 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-07-09   
240-261 9 Gaithersburg MD   515J IP HORIZON LLC 236   2016-05-31   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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