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-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
309-293 A Ellisville IL SMFDILXDDS0  368      
309-358 A Yates City IL SMFDILXDDS0  368      
309-484 A Altona IL VCTAILXDDS0  977      
309-639 A Williamsfield IL VCTAILXDDS0  977      
309-758 A Table Grove IL SMFDILXDDS0  368      
309-759 A Summum IL SMFDILXDDS0  368      
309-778 A Fairview (Fulton) IL SMFDILXDDS0  368      
309-783 A Smithfield IL SMFDILXDDS0  368      
309-875 A Maquon IL VCTAILXDDS0  977      
309-876 A Gilson IL VCTAILXDDS0  977      
309-879 A Victoria IL VCTAILXDDS0  977      
309-926 A Marietta IL SMFDILXDDS0  368      
309-927 A Bishop Hill IL VCTAILXDDS0  977      
309-995 A La Fayette IL VCTAILXDDS0  977      

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

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