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: 910

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-910 A Mystic CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
959-910 0 Mystic CT   624H ONVOY SPECTRUM, LLC 920   2021-04-17   
959-910 1 Mystic CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-28   
959-910 2 Mystic CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-28   
959-910 3 Mystic CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-04   
959-910 4 Mystic CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-04   
959-910 5 Mystic CT   624H ONVOY SPECTRUM, LLC 920   2022-01-29   
959-910 6 Mystic CT   624H ONVOY SPECTRUM, LLC 920   2022-01-29   
959-910 7 Mystic CT   639C ONVOY, LLC - CT 920   2023-08-18   
959-910 8 Mystic CT   639C ONVOY, LLC - CT 920   2023-06-26   
959-910 9 Mystic CT   515J IP HORIZON LLC 920   2024-08-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.