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.

OCN: 1047 MCDONOUGH TEL. COOP.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
217-449 A Lomax IL CLCHILXDDS0  977      
217-755 A Colusa IL CLCHILXDDS0  977      
309-254 A Industry IL CLCHILXDDS0  977      
309-257 A Littleton IL CLCHILXDDS0  977      
309-325 A Smithshire IL CLCHILXDDS0  977      
309-456 A Good Hope IL CLCHILXDDS0  977      
309-652 A Blandinsville IL CLCHILXDDS0  977      
309-653 A Adair IL CLCHILXDDS0  977      
309-746 A Raritan IL CLCHILXDDS0  977      
309-769 A Bardolph IL CLCHILXDDS0  977      
309-774 A Swan Creek IL CLCHILXDDS0  977      
309-776 A Colchester IL CLCHILXDDS0  977      

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

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