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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-233 A Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-233 0 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 1 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 2 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 3 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 4 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 5 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 6 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 7 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 8 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   
959-233 9 Essex CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-10-31   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.