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.

Switch: HRFRCTBC2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-321 5 New Haven CT 073H TELNYX LLC 920      
475-337 0 Waterbury CT 073H TELNYX LLC 920      
475-356 3 Bridgeport CT 073H TELNYX LLC 920      
475-454 0 Danbury CT 073H TELNYX LLC 920      
475-467 2 Trumbull CT 073H TELNYX LLC 920      
475-473 1 Woodbury CT 073H TELNYX LLC 920      
475-550 3 Stamford CT 073H TELNYX LLC 920      
475-575 0 Ridgefield CT 073H TELNYX LLC 920      
475-739 4 Wolcott CT 073H TELNYX LLC 920      
860-251 5 Hartford CT 073H TELNYX LLC 920      
860-362 4 Canaan CT 073H TELNYX LLC 920      
860-699 1 Ledyard CT 073H TELNYX LLC 920      
959-234 0 Norwich CT 073H TELNYX LLC 920      
959-247 8 Norwich CT 073H TELNYX LLC 920      
959-333 A Hartford CT 073H TELNYX LLC 920      
959-333 1 Hartford CT 073H TELNYX LLC 920      
959-590 9 New Britain CT 073H TELNYX LLC 920      
959-595 0 Southington CT 073H TELNYX LLC 920      
959-946 0 Stafford Springs CT 073H TELNYX LLC 920      
959-951 1 New London CT 073H TELNYX LLC 920      
959-952 1 Sharon CT 073H TELNYX LLC 920      
959-998 0 Lyme CT 073H TELNYX LLC 920      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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