Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Readlyn, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-279 A RDLYIAXO0MD  1278 READLYN TEL. CO. 635      
319-314 A CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-314 5 IWCYIA7000Z  490J DISH WIRELESS, LLC 635   2023-11-15   
319-314 7 CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-30   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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