Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HRFRCT0379Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-200 A New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-370 A New Haven CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
203-408 A Redding CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-412 A New Haven CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
203-432 A New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-491 A Newtown CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-657 A New Haven CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
203-766 A New Haven CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
203-872 A Cheshire CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-941 A Seymour CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-219 A Wolcott CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-221 A Branford CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-262 A Huntington CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-265 A Trumbull CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-273 A Bridgeport CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-274 A Guilford CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-282 A Bridgeport CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-285 A Naugatuck CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-290 A Danbury CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-297 A Newtown CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-310 A Wallingford CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-315 A Cheshire CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-325 A Georgetown CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-329 A Danbury CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-522 A Madison CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-549 A Milford CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-558 A New Canaan CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-675 A Seymour CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-220 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-222 A Norwich CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-260 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-279 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-320 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-340 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-588 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-600 A Litchfield CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-650 A Pawcatuck CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-699 A Ledyard CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-720 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-762 A Hartford CT 6919 AQUIS COMMUNICATIONS, INC. 920      
860-802 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-809 A Lebanon CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-842 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-850 A Niantic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-880 A Thomaston CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-909 A Winsted CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-939 A Hartford CT 9748 AMERICAN MESSAGING SERVICES, LLC 920      
860-980 A Mystic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
959-207 A Colchester CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
959-216 A Southington CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
959-249 A Canaan CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
959-269 A North Thompson CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      
959-456 A Canterbury CT 199F BANDWIDTH.COM CLEC, LLC - CT 920      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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