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.

Switch: MCMBILXDWMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-388 1 Knoxville IL 073H TELNYX LLC 977   2020-07-13   
309-549 A Galesburg IL 073H TELNYX LLC 977      
309-549 1 Galesburg IL 073H TELNYX LLC 977   2020-02-07   
309-955 1 Wataga IL 073H TELNYX LLC 977   2020-07-20   
309-975 9 Avon IL 073H TELNYX LLC 977   2020-06-04   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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