Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 887

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-887 A Westport CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-887 0 Westport CT   515J IP HORIZON LLC 920   2022-07-23   
475-887 1 Westport CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2023-09-08   
475-887 2 Westport CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-887 3 Westport CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-887 4 Westport CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-887 5 Westport CT   516J TON80 COMMUNICATIONS, LLC 920   2022-03-16   
475-887 6 Westport CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-887 7 Westport CT   624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-887 8 Westport CT   624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-887 9 Westport CT   639C ONVOY, LLC - CT 920   2023-08-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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