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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-500 A Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-500 0 Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-09-13   
959-500 1 Ledyard CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2019-09-14   
959-500 2 Ledyard CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-13   
959-500 4 Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-09-13   
959-500 5 Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-08-20   
959-500 6 Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-08-20   
959-500 7 Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
959-500 8 Ledyard CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
959-500 9 Ledyard CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.