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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-247 1 Chesapeake City MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-247 2 Chesapeake City MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-247 3 Chesapeake City MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 4 Chesapeake City MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 5 Chesapeake City MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 6 Chesapeake City MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 7 Chesapeake City MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-247 8 Chesapeake City MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-247 9 Chesapeake City MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-248 A Denton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-248 0 Denton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-248 1 Denton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-248 2 Denton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-248 3 Denton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 4 Denton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 5 Denton MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-248 6 Denton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 7 Denton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 8 Denton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-248 9 Denton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-249 A Galena MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
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 3 Galena MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
667-249 4 Galena MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-249 6 Galena MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-249 7 Galena MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-249 8 Galena MD SLBRMD902MD  073H TELNYX LLC 242   2018-08-04   
667-249 9 Galena MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-250 A Baltimore MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-250 6 Baltimore MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2018-07-30   
667-251 A Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-251 0 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 1 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 2 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 3 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 4 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 5 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 6 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 7 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 8 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 9 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-252 A Salisbury MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
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 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2018-07-30   
667-252 7 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.