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.

OCN: 3863 CTC COMMUNICATIONS CORP. - CT

1 2 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
203-244 2 Ridgefield CT SMFRCT0162Z  920   2005-03-12   
203-267 8 Woodbury CT WTRBCT001MD  920   2008-04-25   
203-304 4 Newtown CT SMFRCT0162Z  920   2006-04-13   
203-307 4 Fairfield CT SMFRCT0162Z  920   2006-09-21   
203-312 1 Danbury CT SMFRCT0162Z  920   2004-06-18   
203-379 2 Meriden CT WTRBCT001MD  920   2006-02-17   
203-392 5 New Haven CT HRFRCT0342Z  920      
203-392 6 New Haven CT HRFRCT0342Z  920      
203-392 7 New Haven CT HRFRCT0342Z  920      
203-392 8 New Haven CT HRFRCT0342Z  920      
203-392 9 New Haven CT HRFRCT0342Z  920      
203-402 2 Huntington CT NWHNCT030MD  920   2008-03-26   
203-416 1 Bridgeport CT SMFRCT0162Z  920   2004-06-06   
203-433 1 Branford CT NWHNCT030MD  920   2004-12-06   
203-463 3 Seymour CT NWHNCT030MD  920   2005-08-26   
203-466 8 New Haven CT NWHNCT030MD  920   2010-06-01   
203-479 6 New Haven CT NWHNCT030MD  920   2006-06-22   
203-504 1 Stamford CT SMFRCT0162Z  920   2004-04-04   
203-508 1 New Haven CT NWHNCT030MD  920   2004-04-04   
203-516 6 Ansonia-Derby CT NWHNCT030MD  920   2006-04-29   
203-517 3 Stamford CT SMFRCT0162Z  920   2006-08-07   
203-538 8 Huntington CT NWHNCT030MD  920   2007-08-10   
203-595 2 Stamford CT SMFRCT0162Z  920   2009-05-19   
203-617 4 Danbury CT SMFRCT0162Z  920   2008-09-10   
203-626 6 Wallingford CT NWHNCT030MD  920   2006-04-03   
203-626 7 Wallingford CT NWHNCT030MD  920   2008-05-12   
203-626 8 Wallingford CT NWHNCT030MD  920   2008-01-28   
203-635 1 Westport CT SMFRCT0162Z  920   2005-06-06   
203-644 1 Norwalk CT SMFRCT0162Z  920   2004-06-06   
203-654 2 New Haven CT NWHNCT030MD  920   2007-12-04   
203-665 4 Wilton CT SMFRCT0162Z  920   2006-07-14   
203-669 5 Darien CT SMFRCT0162Z  920   2006-07-09   
203-689 1 Guilford CT NWHNCT030MD  920   2006-02-02   
203-690 5 Bridgeport CT SMFRCT0162Z  920   2011-05-05   
203-691 4 New Haven CT NWHNCT030MD  920   2007-01-22   
203-698 6 Old Greenwich CT SMFRCT0162Z  920   2006-12-04   
203-706 1 Waterbury CT WTRBCT001MD  920   2004-04-04   
203-707 5 Waterbury CT WTRBCT001MD  920   2011-06-03   
203-712 1 Huntington CT NWHNCT030MD  920   2004-06-06   
203-713 1 Milford CT SMFRCT0162Z  920   2004-06-12   
203-713 7 Milford CT SMFRCT0162Z  920   2009-04-14   
203-714 1 Naugatuck CT WTRBCT001MD  920   2005-04-18   
203-718 1 Cheshire CT WTRBCT001MD  920   2004-06-06   
203-800 4 New Haven CT NWHNCT030MD  920   2011-05-10   
203-806 3 Cheshire CT WTRBCT001MD  920   2006-10-16   
203-814 3 Bridgeport CT SMFRCT0162Z  920   2006-05-20   
203-836 5 New Haven CT NWHNCT030MD  920   2012-02-06   
203-842 6 Norwalk CT SMFRCT0162Z  920   2011-07-06   
203-880 6 Trumbull CT SMFRCT0162Z  920   2005-07-25   
203-896 1 Madison CT NWHNCT030MD  920   2005-09-23   
203-965 4 Stamford CT SMFRCT0162Z  920   2014-02-28   
203-965 6 Stamford CT HRFRCT0342Z  920      
475-202 5 New Haven CT NWHNCT030MD  920   2011-06-17   
475-202 8 New Haven CT NWHNCT030MD  920   2011-06-17   
475-263 6 Waterbury CT WTRBCT001MD  920   2020-02-28   
475-319 2 Bridgeport CT SMFRCT0162Z  920   2017-10-24   
475-329 3 Danbury CT SMFRCT0162Z  920   2014-05-28   
475-343 6 Meriden CT WTRBCT001MD  920   2015-07-08   
475-882 3 Huntington CT NWHNCT030MD  920   2013-09-05   
475-999 6 Fairfield CT SMFRCT0162Z  920   2013-04-06   
860-218 1 Hartford CT HRFRCT0342Z  920   2004-04-04   
860-245 7 Mystic CT NWHNCT030MD  920   2006-11-04   
860-261 1 Bristol CT HRFRCT0342Z  920   2005-08-29   
860-297 7 Hartford CT HRFRCT0342Z  920   2014-05-06   
860-319 2 Norwich CT NWHNCT030MD  920   2005-08-08   
860-352 3 Canton CT HRFRCT0342Z  920   2006-08-22   
860-356 1 New Britain CT HRFRCT0342Z  920   2004-08-07   
860-365 3 East Hampton CT HRFRCT0342Z  920   2006-08-28   
860-378 6 Southington CT WTRBCT001MD  920   2006-07-10   
860-386 1 Windsor Locks CT HRFRCT0342Z  920   2005-08-11   
860-393 3 Litchfield CT WTRBCT001MD  920   2006-08-17   
860-394 1 Enfield CT HRFRCT0342Z  920   2004-09-04   
860-412 3 Danielson CT HRFRCT0342Z  920   2006-11-18   
860-417 4 Watertown CT HRFRCT0342Z  920   2005-08-14   
860-420 4 Storrs CT NWHNCT030MD  920   2008-05-23   
860-430 3 Glastonbury CT HRFRCT0342Z  920   2006-11-18   
860-454 3 Rockville CT HRFRCT0342Z  920   2006-05-22   
860-465 0 Willimantic CT HRFRCT0342Z  920      
860-465 1 Willimantic CT HRFRCT0342Z  920      
860-465 4 Willimantic CT HRFRCT0342Z  920      
860-470 1 Farmington CT HRFRCT0342Z  920   2005-11-28   
860-474 1 Manchester CT HRFRCT0342Z  920   2004-10-15   
860-474 2 Manchester CT HRFRCT0342Z  920   2007-07-26   
860-479 3 Plainville CT HRFRCT0342Z  920   2007-03-05   
860-484 8 Thomaston CT WTRBCT001MD  920   2006-12-28   
860-495 4 Pawcatuck CT NWHNCT030MD  920   2010-11-10   
860-531 5 Colchester CT HRFRCT0342Z  920   2010-07-09   
860-548 5 Hartford CT HRFRCT0342Z  920      
860-554 2 Haddam CT HRFRCT0342Z  920   2005-03-10   
860-578 1 Hartford CT HRFRCT0342Z  920   2008-12-30   
860-591 7 Jewett City CT NWHNCT030MD  920   2006-01-20   
860-612 7 New Britain CT HRFRCT0342Z  920   2011-07-19   
860-618 1 Torrington CT HRFRCT0342Z  920   2005-04-18   
860-629 7 New London CT NWHNCT030MD  920   2008-03-19   
860-661 3 Old Saybrook CT NWHNCT030MD  920   2006-04-03   
860-664 7 Clinton CT NWHNCT030MD  920   2011-11-07   
860-709 6 Hartford CT HRFRCT0342Z  920   2011-05-04   
860-718 7 Deep River CT HRFRCT0342Z  920   2012-09-13   
860-727 5 Hartford CT HRFRCT0342Z  920   2007-09-04   
860-727 6 Hartford CT HRFRCT0342Z  920   2006-03-28   

1 2 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.