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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-203 A Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-203 0 Farmington CT   639C ONVOY, LLC - CT 920      
959-203 1 Farmington CT   639C ONVOY, LLC - CT 920      
959-203 2 Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-203 3 Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-203 4 Farmington CT   639C ONVOY, LLC - CT 920      
959-203 5 Farmington CT   639C ONVOY, LLC - CT 920      
959-203 7 Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-203 8 Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-203 9 Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.