Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-240 A Columbia MD BLTQMD012MD  964H BARR TELL USA, INC. 238      
667-240 0 Columbia MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
667-240 1 Columbia MD BLTQMD012MD  964H BARR TELL USA, INC. 238   2017-01-21   
667-240 2 Columbia MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-01-22   
667-240 3 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 4 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 5 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
667-240 6 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-05   
667-240 7 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-23   
667-240 8 Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2018-05-27   
667-240 9 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-19   

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

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