Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: OKBRILOAIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
708-725 7 Oak Park IL 7421 AT&T - LOCAL 358   2001-06-19   

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

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