Local Calling Guide

Area code/prefix search

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NPA: 847 [Rate centres in NPA 847] [Dial plan for NPA 847]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-299 A Des Plaines IL DSPLILXLDS1  9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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