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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-999 9 Fairfield CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-01   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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