Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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New Windsor, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-667 A NWWNILXDRS0  1062 NEW WINDSOR TEL. CO. 634      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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