Local Calling Guide

Area code/prefix search

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NPA: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

NXX: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-590 A Watertown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-590 0 Watertown CT   073H TELNYX LLC 920   2019-12-11   
860-590 1 Watertown CT   624H ONVOY SPECTRUM, LLC 920   2021-03-13   
860-590 2 Watertown CT   639C ONVOY, LLC - CT 920   2021-03-04   
860-590 3 Watertown CT   639C ONVOY, LLC - CT 920   2020-02-29   
860-590 4 Watertown CT   639C ONVOY, LLC - CT 920   2020-02-29   
860-590 5 Watertown CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2019-12-26   
860-590 6 Watertown CT   639C ONVOY, LLC - CT 920   2020-11-22   
860-590 7 Watertown CT   639C ONVOY, LLC - CT 920   2020-11-22   
860-590 8 Watertown CT   639C ONVOY, LLC - CT 920   2020-06-21   
860-590 9 Watertown CT   639C ONVOY, LLC - CT 920   2020-06-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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