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
240-636 A Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236      
240-636 0 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-07-06   
240-636 1 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-08-22   
240-636 2 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-08-22   
240-636 3 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-08-22   
240-636 4 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-08-22   
240-636 5 Laurel MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2016-11-06   
240-636 6 Laurel MD   073H TELNYX LLC 236   2017-03-14   
240-636 7 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2016-12-09   
240-636 8 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2017-09-29   
240-636 9 Laurel MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2017-06-12   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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