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.

Willimantic, CT

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
959-995 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
959-995 5   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-01-16   
959-995 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
959-995 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
959-995 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   
959-995 9 HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-27   

<< 1 2 3 4 5

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.