Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Windsor, CT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
860-925 8 HRFRCT0344Z  866H BARR TEL USA, INC. - CT 920   2022-03-14   
860-925 9 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-18   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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