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.

Wallingford, CT

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-793 7 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-793 8 SMFRCTCTDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-793 9   145J TERRA NOVA TELECOM INC. 920      
203-949 A WLFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
475-203 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-203 0 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-203 1   639C ONVOY, LLC - CT 920      
475-203 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-203 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-203 4   639C ONVOY, LLC - CT 920      
475-203 5   639C ONVOY, LLC - CT 920      
475-203 6   639C ONVOY, LLC - CT 920      
475-203 7   639C ONVOY, LLC - CT 920      
475-203 8   639C ONVOY, LLC - CT 920      
475-203 9   639C ONVOY, LLC - CT 920      
475-253 A HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-253 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-253 1 HRFRCT03HMD  073H TELNYX LLC 920      
475-253 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-253 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-253 4 HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
475-253 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-253 6 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-253 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-253 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-253 9 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-270 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 0 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-270 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 3   639C ONVOY, LLC - CT 920      
475-270 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 9 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-293 1 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-293 2 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-293 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 7 HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-293 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-293 9 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-310 A HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-310 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-310 1 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-310 2   515J IP HORIZON LLC 920      
475-310 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-310 4 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-310 5 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-310 6 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-310 7 HRFRCT0344Z  866H BARR TEL USA, INC. - CT 920      
475-310 8 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-310 9 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-381 A   639C ONVOY, LLC - CT 920   2024-12-05   
475-381 0   639C ONVOY, LLC - CT 920      

<< 1 2

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.