Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
860-451 0 Niantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-02   
860-451 5 Niantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-452 0 Killingworth CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-453 6 Canaan CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-455 4 Willimantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-458 7 Stafford Springs CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2015-10-08   
860-467 4 East Hampton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-10   
860-468 3 Lebanon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-03-30   
860-468 4 Lebanon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-469 3 Winsted CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-469 4 Winsted CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-01-12   
860-469 6 Winsted CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-471 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2009-08-10   
860-474 4 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-29   
860-481 A Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-481 4 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-481 6 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 7 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 8 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-484 0 Thomaston CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
860-484 7 Thomaston CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-08   
860-488 9 New Milford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-03-12   
860-492 0 Sharon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-08-13   
860-492 4 Sharon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-03   
860-495 0 Pawcatuck CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-08   
860-497 4 North Thompson CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-11-08   
860-498 4 Coventry CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-499 5 Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-09   
860-506 3 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-03-26   
860-509 4 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-10-27   
860-516 A Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-516 0 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-02   
860-516 1 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-08-28   
860-516 2 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-516 3 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-516 4 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-08-05   
860-516 8 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-516 9 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-517 8 Plainville CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-531 3 Colchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-01-05   
860-531 4 Colchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-08   
860-542 2 Norfolk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-546 4 Canterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-03-05   
860-552 A Clinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-552 1 Clinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-02-24   
860-552 2 Clinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-553 3 Storrs CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-554 0 Haddam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-11-08   
860-554 6 Haddam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-02-24   
860-556 2 Canterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-01-30   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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