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: 959 [Rate centres in NPA 959] [Dial plan for NPA 959]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-999 A Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-999 0 Hartford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2014-12-02   
959-999 1 Hartford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2014-12-02   
959-999 2 Hartford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-02-14   
959-999 3 Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-02-21   
959-999 4 Hartford CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2015-01-16   
959-999 5 Hartford CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2015-01-16   
959-999 6 Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-07-31   
959-999 7 Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-07-31   
959-999 8 Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-07-31   
959-999 9 Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2014-12-01   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.