Local Calling Guide

Area code/prefix search

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Switch: DKLBILXAYMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-517 A De Kalb IL 7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 364      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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