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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-520 A Rock Island IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
309-520 0 Rock Island IL   224C ONVOY, LLC 634   2024-02-29   
309-520 1 Rock Island IL   6529 T-MOBILE USA, INC. 634   2019-02-18   
309-520 2 Rock Island IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 634   2020-05-01   
309-520 3 Rock Island IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2023-03-24   
309-520 4 Rock Island IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2023-03-24   
309-520 5 Rock Island IL   224C ONVOY, LLC 634   2023-10-16   
309-520 6 Rock Island IL   224C ONVOY, LLC 634   2023-10-16   
309-520 7 Rock Island IL   224C ONVOY, LLC 634   2023-10-16   
309-520 9 Rock Island IL   6529 T-MOBILE USA, INC. 634   2019-02-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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