Local Calling Guide

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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-474 A Gaithersburg MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
240-474 0 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-04   
240-474 1 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 2 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 3 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 4 Gaithersburg MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-07-13   
240-474 5 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-09-30   
240-474 6 Gaithersburg MD BTVLMD127MD  5562 METROPCS, INC. 236   2015-12-10   
240-474 7 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-10-16   
240-474 8 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-01-08   
240-474 9 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-04   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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