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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-426 A Fairbank IA 516J TON80 COMMUNICATIONS, LLC 635      
319-663 A Blairstown IA 516J TON80 COMMUNICATIONS, LLC 635      
319-675 A Oxford IA 516J TON80 COMMUNICATIONS, LLC 635      
319-746 A Brandon IA 516J TON80 COMMUNICATIONS, LLC 635      
319-776 A Rowley IA 516J TON80 COMMUNICATIONS, LLC 635      
319-992 A Tiffin IA 516J TON80 COMMUNICATIONS, LLC 635      
563-342 A Ryan IA 516J TON80 COMMUNICATIONS, LLC 635      
563-446 A Delhi IA 516J TON80 COMMUNICATIONS, LLC 635      
563-453 A Elkader IA 516J TON80 COMMUNICATIONS, LLC 635      
563-466 A Volga IA 516J TON80 COMMUNICATIONS, LLC 635      
563-626 A Harpers Ferry IA 516J TON80 COMMUNICATIONS, LLC 635      
563-644 A Decorah IA 516J TON80 COMMUNICATIONS, LLC 635      
563-746 A Greeley IA 516J TON80 COMMUNICATIONS, LLC 635      
563-832 A Garnavillo IA 516J TON80 COMMUNICATIONS, LLC 635      
563-837 A Fredericksburg IA 516J TON80 COMMUNICATIONS, LLC 635      
563-972 A Wadena IA 516J TON80 COMMUNICATIONS, LLC 635      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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