Local Calling Guide

Area code/prefix search

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NPA: 959 [Rate centres in NPA 959] [Dial plan for NPA 959]

NXX: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-284 A Mystic CT   639C ONVOY, LLC - CT 920   2026-05-03   
959-284 0 Mystic CT   639C ONVOY, LLC - CT 920   2026-05-03   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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