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.

Switch: WLMNCT132MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-220 8 Trumbull CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
203-304 1 Newtown CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
203-304 9 Newtown CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2007-12-09   
203-405 1 Woodbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-09-22   
203-405 3 Woodbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2007-10-11   
203-405 6 Woodbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2010-08-05   
203-491 2 Newtown CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2012-05-31   
203-502 8 Bridgeport CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
203-546 7 Danbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2010-07-17   
203-546 8 Danbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
203-586 1 Woodbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2013-05-26   
203-590 3 Trumbull CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2013-03-29   
203-880 5 Trumbull CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2009-12-19   
203-880 9 Trumbull CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2007-02-08   
203-885 0 Danbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2007-02-22   
475-207 A Woodbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2025-01-22   
475-207 1 Woodbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2016-04-18   
475-231 A Trumbull CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2025-01-22   
475-231 1 Trumbull CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2016-09-22   
475-289 2 Danbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2014-09-08   
475-323 2 Newtown CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2016-03-14   
475-988 1 Bridgeport CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2015-06-03   
860-234 5 Willimantic CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2018-05-27   
860-237 9 Norwich CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-238 4 Winsted CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2008-09-04   
860-238 7 Winsted CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-02-05   
860-264 8 Simsbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-315 1 Putnam CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2014-11-23   
860-315 5 Putnam CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2007-09-28   
860-315 7 Putnam CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-02-05   
860-337 0 Columbia CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-412 0 Danielson CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-458 0 Stafford Springs CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-02-05   
860-465 9 Willimantic CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-02-05   
860-497 0 North Thompson CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-531 0 Colchester CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-556 9 Canterbury CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-592 0 Kent CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-605 9 Harwinton CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-619 0 Washington CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-717 4 New Milford CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2016-09-08   
860-764 6 Canton CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2018-10-22   
860-786 7 Willimantic CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2008-03-07   
860-799 0 New Milford CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-799 5 New Milford CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2012-08-25   
860-799 6 New Milford CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2009-08-22   
860-799 7 New Milford CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2007-07-06   
860-909 1 Winsted CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2015-02-22   
860-921 0 Torrington CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
860-931 5 Willimantic CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2015-02-22   
860-942 8 Willimantic CT 792K CHARTER IP ENABLED SERVICES, LLC 920   2006-12-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.