Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HRFRCT0344Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-310 7 Wallingford CT 866H BARR TEL USA, INC. - CT 920   2022-05-18   
475-450 A Bridgeport CT 866H BARR TEL USA, INC. - CT 920      
475-450 1 Bridgeport CT 866H BARR TEL USA, INC. - CT 920   2022-04-23   
475-480 A New Haven CT 866H BARR TEL USA, INC. - CT 920      
475-480 1 New Haven CT 866H BARR TEL USA, INC. - CT 920   2022-04-22   
475-550 A Stamford CT 866H BARR TEL USA, INC. - CT 920      
475-550 1 Stamford CT 866H BARR TEL USA, INC. - CT 920   2022-04-23   
475-750 A Danbury CT 866H BARR TEL USA, INC. - CT 920      
475-750 1 Danbury CT 866H BARR TEL USA, INC. - CT 920   2022-04-23   
475-850 A Norwalk CT 866H BARR TEL USA, INC. - CT 920      
475-850 1 Norwalk CT 866H BARR TEL USA, INC. - CT 920   2022-04-23   
860-288 0 Manchester CT 866H BARR TEL USA, INC. - CT 920   2022-03-15   
860-413 4 Simsbury CT 866H BARR TEL USA, INC. - CT 920   2022-03-14   
860-750 1 New Milford CT 866H BARR TEL USA, INC. - CT 920   2022-03-14   
860-925 8 Windsor CT 866H BARR TEL USA, INC. - CT 920   2022-03-14   
959-235 1 Bristol CT 866H BARR TEL USA, INC. - CT 920   2022-03-15   
959-244 1 Farmington CT 866H BARR TEL USA, INC. - CT 920   2022-03-15   
959-255 5 Hartford CT 866H BARR TEL USA, INC. - CT 920   2022-03-14   
959-261 5 Southington CT 866H BARR TEL USA, INC. - CT 920   2022-03-15   
959-465 1 Watertown CT 866H BARR TEL USA, INC. - CT 920   2022-03-14   
959-590 A New Britain CT 866H BARR TEL USA, INC. - CT 920      
959-590 5 New Britain CT 866H BARR TEL USA, INC. - CT 920   2022-05-05   
959-837 5 Norwich CT 866H BARR TEL USA, INC. - CT 920   2022-03-14   
959-885 A Enfield CT 866H BARR TEL USA, INC. - CT 920      
959-885 5 Enfield CT 866H BARR TEL USA, INC. - CT 920   2022-05-05   
959-951 3 New London CT 866H BARR TEL USA, INC. - CT 920   2022-04-27   

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

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