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: HRFRCTBCDS1

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
860-943 7 Old Saybrook CT 639C ONVOY, LLC - CT 920   2021-03-04   
860-955 1 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-955 2 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-955 3 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-955 4 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-955 5 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-955 6 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-955 7 Hartford CT 639C ONVOY, LLC - CT 920   2010-05-03   
860-957 0 New Milford CT 639C ONVOY, LLC - CT 920   2023-08-18   
860-957 1 New Milford CT 639C ONVOY, LLC - CT 920   2023-08-18   
860-957 2 New Milford CT 639C ONVOY, LLC - CT 920   2023-08-18   
860-957 3 New Milford CT 639C ONVOY, LLC - CT 920   2023-08-18   
860-957 4 New Milford CT 639C ONVOY, LLC - CT 920   2023-08-18   
860-957 5 New Milford CT 639C ONVOY, LLC - CT 920   2020-08-20   
860-957 8 New Milford CT 639C ONVOY, LLC - CT 920   2021-03-04   
860-957 9 New Milford CT 639C ONVOY, LLC - CT 920   2020-08-20   
860-960 0 Torrington CT 639C ONVOY, LLC - CT 920   2015-05-22   
860-962 A Enfield CT 639C ONVOY, LLC - CT 920      
860-962 2 Enfield CT 639C ONVOY, LLC - CT 920   2021-03-01   
860-962 3 Enfield CT 639C ONVOY, LLC - CT 920   2021-03-01   
860-962 4 Enfield CT 639C ONVOY, LLC - CT 920   2021-03-01   
860-962 6 Enfield CT 639C ONVOY, LLC - CT 920   2019-06-14   
860-962 7 Enfield CT 639C ONVOY, LLC - CT 920   2019-06-14   
860-962 8 Enfield CT 639C ONVOY, LLC - CT 920   2019-06-14   
860-968 0 Glastonbury CT 639C ONVOY, LLC - CT 920   2015-05-09   
860-968 2 Glastonbury CT 639C ONVOY, LLC - CT 920   2020-02-28   
860-968 3 Glastonbury CT 639C ONVOY, LLC - CT 920   2020-02-28   
860-968 4 Glastonbury CT 639C ONVOY, LLC - CT 920   2021-03-04   
860-969 A Hartford CT 639C ONVOY, LLC - CT 920      
860-969 2 Hartford CT 639C ONVOY, LLC - CT 920   2015-03-20   
860-970 A Hartford CT 639C ONVOY, LLC - CT 920      
860-970 0 Hartford CT 639C ONVOY, LLC - CT 920   2006-05-29   
860-971 2 Stafford Springs CT 639C ONVOY, LLC - CT 920   2016-04-24   
860-971 3 Stafford Springs CT 639C ONVOY, LLC - CT 920   2015-05-15   
860-973 0 Bristol CT 639C ONVOY, LLC - CT 920   2019-03-29   
860-973 7 Bristol CT 639C ONVOY, LLC - CT 920   2019-03-29   
860-974 5 Putnam CT 639C ONVOY, LLC - CT 920   2020-11-22   
860-975 6 Middletown CT 639C ONVOY, LLC - CT 920   2021-11-25   
860-979 4 Rockville CT 639C ONVOY, LLC - CT 920   2021-08-08   
860-979 5 Rockville CT 639C ONVOY, LLC - CT 920   2021-08-08   
860-979 6 Rockville CT 639C ONVOY, LLC - CT 920   2020-08-20   
860-979 7 Rockville CT 639C ONVOY, LLC - CT 920   2020-08-20   
860-980 1 Mystic CT 639C ONVOY, LLC - CT 920   2015-07-03   
860-980 4 Mystic CT 639C ONVOY, LLC - CT 920   2019-08-09   
860-980 5 Mystic CT 639C ONVOY, LLC - CT 920   2019-08-09   
860-980 7 Mystic CT 639C ONVOY, LLC - CT 920   2021-03-04   
860-981 0 Watertown CT 639C ONVOY, LLC - CT 920   2024-05-24   
860-981 5 Watertown CT 639C ONVOY, LLC - CT 920   2023-10-14   
860-981 6 Watertown CT 639C ONVOY, LLC - CT 920   2023-10-14   
860-981 7 Watertown CT 639C ONVOY, LLC - CT 920   2023-10-14   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.