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: MCMBILXDJMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-505 A Warsaw IL 593K MCC TELEPHONY LLC 977      
217-604 A Carthage IL 593K MCC TELEPHONY LLC 977      
217-966 A Lomax IL 593K MCC TELEPHONY LLC 977      
217-980 A Nauvoo IL 593K MCC TELEPHONY LLC 977      
217-989 A Dallas City IL 593K MCC TELEPHONY LLC 977      
309-548 A Roseville IL 593K MCC TELEPHONY LLC 977      
309-599 A London Mills IL 593K MCC TELEPHONY LLC 977      
309-703 A Abingdon IL 593K MCC TELEPHONY LLC 977      
309-801 A Stronghurst IL 593K MCC TELEPHONY LLC 977      
309-997 A Good Hope IL 593K MCC TELEPHONY LLC 977      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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