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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-237 A Bushnell IL MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977      
309-237 0 Bushnell IL GLBGILXDDMD  224C ONVOY, LLC 977   2020-03-13   
309-237 1 Bushnell IL GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-02-28   
309-237 2 Bushnell IL GLBGILXDDMD  224C ONVOY, LLC 977   2021-07-05   
309-237 3 Bushnell IL CLCHILXDDS2  342F MTC COMMUNICATIONS, INC. - IL 977   2015-03-13   
309-237 4 Bushnell IL GLBGILXDDMD  224C ONVOY, LLC 977   2021-08-22   
309-237 5 Bushnell IL GLBGILXDDMD  224C ONVOY, LLC 977   2021-12-03   
309-237 6 Bushnell IL MCMBILXDHMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 977   2019-09-10   
309-237 7 Bushnell IL GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977   2014-07-29   
309-237 8 Bushnell IL MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2019-10-17   
309-237 9 Bushnell IL MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2017-07-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.