Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-238 9 Preston MD   876D ONVOY, LLC - MD 242   2019-03-04   
667-239 A Baltimore MD WDLWMDEMCM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-05-07   
667-239 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-05-07   
667-239 1 Baltimore MD   876D ONVOY, LLC - MD 238   2015-07-27   
667-239 2 Baltimore MD   876D ONVOY, LLC - MD 238   2015-07-27   
667-239 3 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-09-29   
667-239 4 Baltimore MD   876D ONVOY, LLC - MD 238   2015-07-27   
667-239 5 Baltimore MD   876D ONVOY, LLC - MD 238   2015-07-27   
667-239 6 Baltimore MD   876D ONVOY, LLC - MD 238   2015-07-27   
667-239 7 Baltimore MD   876D ONVOY, LLC - MD 238   2015-07-27   
667-239 8 Baltimore MD   876D ONVOY, LLC - MD 238   2014-10-06   
667-239 9 Baltimore MD   876D ONVOY, LLC - MD 238   2014-10-06   
667-240 A Columbia MD   964H BARR TELL USA, INC. 238      
667-240 0 Columbia MD   073H TELNYX LLC 238   2017-03-14   
667-240 1 Columbia MD   964H BARR TELL USA, INC. 238   2017-01-21   
667-240 2 Columbia MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2017-01-22   
667-240 3 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 4 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 5 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
667-240 6 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-05   
667-240 7 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-23   
667-240 8 Columbia MD   876D ONVOY, LLC - MD 238   2018-05-27   
667-240 9 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-19   
667-241 A Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-241 0 Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-241 1 Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-241 2 Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-241 5 Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
667-241 6 Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
667-241 7 Ridgely MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
667-241 8 Ridgely MD   876D ONVOY, LLC - MD 242   2019-03-10   
667-241 9 Ridgely MD   876D ONVOY, LLC - MD 242   2019-03-10   
667-242 A Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-242 0 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-242 1 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-242 2 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-242 3 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-242 4 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-242 5 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-242 6 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-242 7 Rock Hall MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-242 8 Rock Hall MD   876D ONVOY, LLC - MD 242   2019-02-26   
667-242 9 Rock Hall MD   876D ONVOY, LLC - MD 242   2019-02-26   
667-243 A Oxford MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-07-26   
667-243 0 Oxford MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-07-26   
667-243 1 Oxford MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-07-26   
667-243 2 Oxford MD   876D ONVOY, LLC - MD 242   2018-09-13   
667-243 3 Oxford MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-243 4 Oxford MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-07-31   
667-243 5 Oxford MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.