Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 864

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-864 A Macomb IL MCMBILXDHMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 977      
309-864 0 Macomb IL   224C ONVOY, LLC 977   2025-03-08   
309-864 6 Macomb IL MCMBILXDHMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 977   2009-08-10   
309-864 8 Macomb IL   224C ONVOY, LLC 977   2025-05-10   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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