Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 959 [Rate centres in NPA 959] [Dial plan for NPA 959]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-203 A Farmington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-203 0 Farmington CT   639C ONVOY, LLC - CT 920   2024-04-12   
959-203 1 Farmington CT   639C ONVOY, LLC - CT 920   2024-06-07   
959-203 2 Farmington CT   639C ONVOY, LLC - CT 920   2023-08-13   
959-203 3 Farmington CT   639C ONVOY, LLC - CT 920   2023-08-13   
959-203 4 Farmington CT   639C ONVOY, LLC - CT 920   2024-11-07   
959-203 5 Farmington CT   639C ONVOY, LLC - CT 920   2024-12-02   
959-203 6 Farmington CT   639C ONVOY, LLC - CT 920   2024-12-15   
959-203 7 Farmington CT   639C ONVOY, LLC - CT 920   2023-08-14   
959-203 8 Farmington CT   639C ONVOY, LLC - CT 920   2023-08-14   
959-203 9 Farmington CT   639C ONVOY, LLC - CT 920   2023-08-14   

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

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