Local Calling Guide

Area code/prefix search

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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 625

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-625 A Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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