Local Calling Guide

Area code/prefix search

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

NXX: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-766 A Bloomington IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 366      

Last updated: Sat, 30 Sep 2023 22:09:11 UTC

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