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: MNCHIAXO2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-408 A Lisbon IA 593K MCC TELEPHONY LLC 635      
319-408 1 Lisbon IA 593K MCC TELEPHONY LLC 635   2010-05-07   
319-591 8 Washington IA 593K MCC TELEPHONY LLC 635   2010-04-15   
319-629 9 Lone Tree IA 593K MCC TELEPHONY LLC 635   2010-04-15   
319-633 A Lone Tree IA 593K MCC TELEPHONY LLC 635      
319-648 6 Riverside IA 593K MCC TELEPHONY LLC 635   2010-04-15   
563-358 A Fort Atkinson IA 593K MCC TELEPHONY LLC 635      
563-822 A Manchester IA 593K MCC TELEPHONY LLC 635      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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