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: 410

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-410 A Colchester CT   624H ONVOY SPECTRUM, LLC 920   2021-04-17   
959-410 0 Colchester CT   624H ONVOY SPECTRUM, LLC 920   2021-04-17   
959-410 1 Colchester CT   639C ONVOY, LLC - CT 920   2021-06-03   
959-410 2 Colchester CT   639C ONVOY, LLC - CT 920   2021-06-03   
959-410 4 Colchester CT   506J TWILIO INTERNATIONAL INC 920   2021-04-19   
959-410 8 Colchester CT   639C ONVOY, LLC - CT 920   2021-04-26   
959-410 9 Colchester CT   639C ONVOY, LLC - CT 920   2021-04-26   

Last updated: Wed, 01 Dec 2021 01:40:16 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.