Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1023 GRIDLEY TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
309-747 A Gridley IL GRDLILXDDS0  366      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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