Local Calling Guide

Area code/prefix search

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

NXX: 978

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-978 A Macomb IL   700J WAVENATION, LLC 977   2025-09-18   
309-978 0 Macomb IL   700J WAVENATION, LLC 977   2025-09-18   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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