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.

Danbury, CT

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
475-256 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-256 2 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-256 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-256 4 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-256 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-256 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-256 7 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-256 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-256 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-279 A HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-279 0 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-279 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-279 2 BLFDCTAP2MD  5562 METROPCS, INC. 920      
475-279 3 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-279 4 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-279 5 BLFDCTAP2MD  5562 METROPCS, INC. 920      
475-279 6 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-279 7 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-279 8 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-279 9 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-289 A HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-289 0 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-289 1 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-289 2   792K CHARTER IP ENABLED SERVICES, LLC 920      
475-289 3 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-289 4 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-289 5 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-289 6 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-289 7 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
475-289 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-289 9 NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
475-290 A HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 1 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 2 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 3 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 4   515J IP HORIZON LLC 920      
475-290 5 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-290 6   639C ONVOY, LLC - CT 920      
475-290 7 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-290 8 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-290 9 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-296 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 0 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 2 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 4 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-296 5 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-296 6 HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-296 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-296 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-329 A HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 1 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 2 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-329 3 SMFRCT0162Z  3863 CTC COMMUNICATIONS CORP. - CT 920      
475-329 4 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-329 6 SMFRCTCTDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
475-329 7 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 8 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 9 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-348 A MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-348 0 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-348 1 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-348 2 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-348 3 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-348 4 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-348 5 HRFRCT03CMD  197D VONAGE AMERICA LLC 920      
475-348 6 HRFRCT0383Z  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
475-348 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-348 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-348 9 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-370 A   490J DISH WIRELESS, LLC 920   2024-07-21   
475-370 0   490J DISH WIRELESS, LLC 920      
475-370 1   490J DISH WIRELESS, LLC 920      
475-370 2   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-370 3   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-370 4   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-370 6   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
475-370 8   073H TELNYX LLC 920      
475-380 A   839J EON TELECOM, INC. 920   2024-11-30   
475-380 0   839J EON TELECOM, INC. 920      
475-380 1   839J EON TELECOM, INC. 920      
475-380 2   839J EON TELECOM, INC. 920      
475-380 3   839J EON TELECOM, INC. 920      
475-380 4   839J EON TELECOM, INC. 920      
475-380 5   839J EON TELECOM, INC. 920      
475-380 6   839J EON TELECOM, INC. 920      
475-380 7   839J EON TELECOM, INC. 920      
475-380 8   839J EON TELECOM, INC. 920      
475-380 9   839J EON TELECOM, INC. 920      
475-454 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-454 0 HRFRCTBC2MD  073H TELNYX LLC 920      
475-454 1 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-454 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-454 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-454 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      

<< 1 2 3 4 5 6 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.