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: HRFRCT0379Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
959-500 9 Ledyard CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-12   
959-510 3 Columbia CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-19   
959-566 4 Lebanon CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-11   
959-566 7 Lebanon CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-04-18   
959-625 0 Clinton CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-09-10   
959-800 6 Thomaston CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-19   
959-810 3 Moodus CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-02-10   
959-866 0 Canton CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-09-05   
959-881 9 Niantic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-12   
959-910 1 Mystic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-28   
959-910 2 Mystic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-11-28   
959-910 3 Mystic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-04   
959-910 4 Mystic CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-04   
959-916 0 Thomaston CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-13   
959-916 1 Thomaston CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-03-19   
959-949 4 Jewett City CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-20   
959-977 1 Winsted CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-20   
959-977 4 Winsted CT 199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-23   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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