Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
959-265 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2018-10-30   
959-265 8 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2017-12-10   
959-265 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2017-10-21   

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

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