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
667-248 2 Denton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-248 3 Denton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-28   
667-248 4 Denton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-28   
667-248 5 Denton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-07-31   
667-248 6 Denton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-28   
667-248 7 Denton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-28   
667-248 8 Denton MD   876D ONVOY, LLC - MD 242   2019-03-04   
667-248 9 Denton MD   876D ONVOY, LLC - MD 242   2019-03-04   
667-249 A Galena MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-249 0 Galena MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-249 1 Galena MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-249 2 Galena MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-08-03   
667-249 4 Galena MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-28   
667-249 6 Galena MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-07-31   
667-249 7 Galena MD   876D ONVOY, LLC - MD 242   2019-03-04   
667-249 8 Galena MD   073H TELNYX LLC 242   2018-08-04   
667-249 9 Galena MD   876D ONVOY, LLC - MD 242   2019-03-04   
667-250 A Baltimore MD   624H ONVOY SPECTRUM, LLC 238   2018-07-30   
667-250 0 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 1 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 2 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 3 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 4 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 5 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 6 Baltimore MD   624H ONVOY SPECTRUM, LLC 238   2018-07-30   
667-250 7 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 8 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-250 9 Baltimore MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
667-251 A Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-251 0 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 1 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 2 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 3 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 4 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 5 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 6 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 7 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 8 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 9 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-252 A Salisbury MD   624H ONVOY SPECTRUM, LLC 242   2018-07-30   
667-252 0 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 1 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 2 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 3 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 4 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 5 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 6 Salisbury MD   624H ONVOY SPECTRUM, LLC 242   2018-07-30   
667-252 7 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 8 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-252 9 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   

<< 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: ISP Telecom

Like this site? We accept donations via PayPal.