Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 945

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-945 A Geneseo IL GENSILXDDS1  1016 GENESEO TEL. CO. 634      
309-945 0 Geneseo IL GENSILXDDS1  1016 GENESEO TEL. CO. 634      
309-945 1 Geneseo IL GENSILXDDS1  1016 GENESEO TEL. CO. 634      
309-945 2 Geneseo IL CMBRILAD0MD  6265 UNITED STATES CELLULAR - IL 634      
309-945 3 Geneseo IL CMBRILAD0MD  6265 UNITED STATES CELLULAR - IL 634      
309-945 4 Geneseo IL GENSILXDDS1  1016 GENESEO TEL. CO. 634      
309-945 5 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634      
309-945 6 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634      
309-945 7 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634      
309-945 8 Geneseo IL DVNPIAEAXMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634      
309-945 9 Geneseo IL GENSILXDDS1  1016 GENESEO TEL. CO. 634      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.