Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1278 READLYN TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
319-279 A Readlyn IA RDLYIAXO0MD  635      

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

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