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.

Ridgefield, CT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-244 A NRWLCT02SMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-244 0 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
203-244 1 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
203-244 2 SMFRCT0162Z  3863 CTC COMMUNICATIONS CORP. - CT 920      
203-244 3 NRWLCT02SMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-244 4 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-244 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-244 6 HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-244 7 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-244 8 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-244 9   145J TERRA NOVA TELECOM INC. 920      
203-403 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-403 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-403 1 HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-403 2 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-403 3 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-403 4 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-403 5 NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-403 6 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-403 7 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-403 8 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-403 9 SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
203-431 A RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-438 A RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 A RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 0 RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 1 RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 2 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
203-894 3 RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 4 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-894 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-894 6 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
203-894 7 RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 8 RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-894 9 RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
475-215 A NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-215 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-215 1 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-215 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-215 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-215 4 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-215 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-215 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-215 7 NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-215 8 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-215 9 HRFRCT03HMD  073H TELNYX LLC 920      
475-426 A HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-426 0   515J IP HORIZON LLC 920      
475-426 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-426 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-426 3 HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-426 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-426 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-426 6 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-426 7 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-426 8 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-426 9 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 0 HRFRCTBC2MD  073H TELNYX LLC 920      
475-575 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 3 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-575 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-575 9 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.