Local Calling Guide

Area code/prefix search

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Trumbull, CT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
475-474 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-05   
475-474 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-04-05   
475-474 9 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-10-28   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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