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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-380 A Rock Island IL RCISILRIX8X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2024-08-29   
309-380 0 Rock Island IL MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2024-10-26   
309-380 1 Rock Island IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2025-02-14   
309-380 8 Rock Island IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2025-02-14   
309-380 9 Rock Island IL RCISILRIX8X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2024-08-29   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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