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: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-502 A Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
309-502 0 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2011-03-15   
309-502 1 Geneseo IL DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2006-10-30   
309-502 2 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2023-06-13   
309-502 3 Geneseo IL DVNPIA80XPX  5562 METROPCS, INC. 634   2023-12-23   
309-502 5 Geneseo IL DVNPIA80XPX  5562 METROPCS, INC. 634   2020-09-30   
309-502 6 Geneseo IL   145J TERRA NOVA TELECOM INC. 634   2025-07-06   
309-502 7 Geneseo IL RCISILRIXMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 634   2020-10-12   
309-502 8 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2019-11-11   
309-502 9 Geneseo IL DVNPIA80XPX  5562 METROPCS, INC. 634      

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

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