Local Calling Guide

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

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-510 A Columbia CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
959-510 0 Columbia CT   624H ONVOY SPECTRUM, LLC 920   2021-04-17   
959-510 2 Columbia CT   639C ONVOY, LLC - CT 920   2021-11-25   
959-510 3 Columbia CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-19   
959-510 4 Columbia CT   639C ONVOY, LLC - CT 920   2024-04-11   
959-510 5 Columbia CT   639C ONVOY, LLC - CT 920   2021-04-18   
959-510 6 Columbia CT   639C ONVOY, LLC - CT 920   2021-04-18   
959-510 7 Columbia CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2023-08-10   
959-510 8 Columbia CT   624H ONVOY SPECTRUM, LLC 920   2022-02-04   
959-510 9 Columbia CT   624H ONVOY SPECTRUM, LLC 920   2022-02-04   

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

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