Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 548 [Rate centres in NPA 548] [Dial plan for NPA 548]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
548-640 A Clinton ON CLTNON05XMD  4878 BRAGG COMMUNICATIONS INC. 888 805127    

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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