Local Calling Guide

Area code/prefix search

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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-661 A Bloomington IL BLTNILXTDS0  1015 FRONTIER NORTH, INC. - IL 366      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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