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: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

NXX: 735

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-735 A Simsbury CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-735 0 Simsbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-17   
860-735 1 Simsbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-08-22   
860-735 2 Simsbury CT HRFRCT03CMD  197D VONAGE AMERICA LLC 920   2019-12-09   
860-735 3 Simsbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
860-735 4 Simsbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
860-735 5 Simsbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-08-22   
860-735 6 Simsbury CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-735 7 Simsbury CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-735 8 Simsbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-13   
860-735 9 Simsbury CT   639C ONVOY, LLC - CT 920   2024-03-09   

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.