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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-639 A Laurel MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2018-07-23   
240-639 0 Laurel MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2018-07-23   
240-639 1 Laurel MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2018-07-23   
240-639 2 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2019-11-04   
240-639 3 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-10-22   
240-639 4 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-10-22   
240-639 5 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-09-25   
240-639 6 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-09-25   
240-639 7 Laurel MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2018-07-23   
240-639 9 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-09-08   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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