Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: NWLNCTCS6MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-266 3 Woodbury CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-03-31   
203-350 4 Madison CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-04-11   
203-429 7 Westport CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
203-514 6 Meriden CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-09-29   
203-518 7 Waterbury CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-04-11   
203-544 6 Georgetown CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
203-546 9 Danbury CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-04-11   
203-693 7 Milford CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-04-11   
203-704 5 Wolcott CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
203-718 7 Cheshire CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-09-29   
203-738 7 Guilford CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
203-774 6 Wallingford CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
203-780 7 New Haven CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
203-801 7 New Canaan CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
203-871 6 Branford CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
203-957 7 Norwalk CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
203-990 2 Old Greenwich CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
475-205 A Stamford CT 508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-205 7 Stamford CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2012-11-30   
475-210 A Bridgeport CT 508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-212 7 Naugatuck CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-09-29   
475-215 A Ridgefield CT 508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-215 7 Ridgefield CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-08-25   
475-223 7 Ansonia-Derby CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-28   
475-239 7 Trumbull CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-277 A Wilton CT 508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-277 7 Wilton CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-08-15   
475-298 4 Bridgeport CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-10-29   
475-328 7 Darien CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-444 7 Newtown CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-675 7 Seymour CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-882 7 Huntington CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
475-999 7 Fairfield CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
860-317 3 Plainfield CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-323 7 Simsbury CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
860-327 7 Manchester CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
860-339 7 Old Saybrook CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-09-29   
860-359 7 Columbia CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-365 7 East Hampton CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
860-370 7 Windsor Locks CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
860-385 7 Southington CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-09-29   
860-390 7 Lyme CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-397 7 Sharon CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-400 7 Ledyard CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-407 7 Jewett City CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-421 7 Canton CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
860-430 7 Glastonbury CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
860-453 7 Canaan CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-483 4 Watertown CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-499 7 Cornwall CT 508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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