Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 315 [Rate centres in NPA 315] [Dial plan for NPA 315]

NXX: 548

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
315-548 A Phelps NY PHLSNYXADS0  0112 ONTARIO TELEPHONE COMPANY, INC. 136      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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