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: OMAHNENWXXX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-215 9 Shenandoah IA 593K MCC TELEPHONY LLC 644   2010-04-16   
712-220 A Carroll IA 593K MCC TELEPHONY LLC 644      
712-220 1 Carroll IA 593K MCC TELEPHONY LLC 644   2010-04-16   
712-250 8 Atlantic IA 593K MCC TELEPHONY LLC 644   2015-07-12   
712-254 9 Atlantic IA 593K MCC TELEPHONY LLC 644   2010-04-16   
712-267 8 Denison IA 593K MCC TELEPHONY LLC 644   2010-04-16   
712-292 4 Carroll IA 593K MCC TELEPHONY LLC 644   2005-07-14   
712-357 A Red Oak IA 593K MCC TELEPHONY LLC 644      
712-357 1 Red Oak IA 593K MCC TELEPHONY LLC 644   2010-05-04   
712-520 9 Glenwood IA 593K MCC TELEPHONY LLC 644   2010-04-16   
712-523 1 Bedford IA 593K MCC TELEPHONY LLC 644   2010-04-16   
712-623 1 Red Oak IA 593K MCC TELEPHONY LLC 644   2005-07-14   
712-662 8 Sac City IA 593K MCC TELEPHONY LLC 644   2010-04-16   

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

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