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.
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Switch: HRFRCT03XMX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-713 4 Milford CT 145J TERRA NOVA TELECOM INC. 920   2024-08-23   
203-842 9 Norwalk CT 145J TERRA NOVA TELECOM INC. 920   2024-06-27   
475-314 7 Huntington CT 145J TERRA NOVA TELECOM INC. 920   2025-01-06   
475-344 4 Bridgeport CT 145J TERRA NOVA TELECOM INC. 920   2024-02-02   
475-350 0 Stamford CT 145J TERRA NOVA TELECOM INC. 920   2024-08-16   
475-363 3 Westport CT 145J TERRA NOVA TELECOM INC. 920   2024-04-23   
475-463 5 Seymour CT 145J TERRA NOVA TELECOM INC. 920   2024-05-02   
860-341 9 Storrs CT 145J TERRA NOVA TELECOM INC. 920   2024-08-13   
860-517 5 Plainville CT 145J TERRA NOVA TELECOM INC. 920   2024-10-24   
860-602 9 Windsor CT 145J TERRA NOVA TELECOM INC. 920   2024-10-12   
860-699 9 Ledyard CT 145J TERRA NOVA TELECOM INC. 920   2024-02-16   
860-777 9 Farmington CT 145J TERRA NOVA TELECOM INC. 920   2024-09-14   
860-838 5 Hartford CT 145J TERRA NOVA TELECOM INC. 920   2024-12-30   
860-907 9 Windsor CT 145J TERRA NOVA TELECOM INC. 920   2024-02-10   
860-923 7 Putnam CT 145J TERRA NOVA TELECOM INC. 920   2024-05-26   
860-988 5 Simsbury CT 145J TERRA NOVA TELECOM INC. 920   2024-08-13   
959-260 0 Willimantic CT 145J TERRA NOVA TELECOM INC. 920   2024-05-23   
959-588 5 Niantic CT 145J TERRA NOVA TELECOM INC. 920   2024-08-08   
959-900 A Hartford CT 145J TERRA NOVA TELECOM INC. 920      
959-955 9 Killingworth CT 145J TERRA NOVA TELECOM INC. 920   2024-08-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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