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: NLBTIAXO2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-203 A Swisher IA 593K MCC TELEPHONY LLC 635      
319-203 1 Swisher IA 593K MCC TELEPHONY LLC 635   2010-05-15   
319-225 A Amana IA 593K MCC TELEPHONY LLC 635      
319-225 8 Amana IA 593K MCC TELEPHONY LLC 635   2010-05-06   
319-244 A Ely IA 593K MCC TELEPHONY LLC 635      
319-244 9 Ely IA 593K MCC TELEPHONY LLC 635   2010-05-09   
319-262 A Kalona IA 593K MCC TELEPHONY LLC 635      
319-282 A North English IA 593K MCC TELEPHONY LLC 635      
319-282 9 North English IA 593K MCC TELEPHONY LLC 635   2010-05-09   
319-285 A Sharon Center IA 593K MCC TELEPHONY LLC 635      
319-285 1 Sharon Center IA 593K MCC TELEPHONY LLC 635   2010-05-15   
319-301 A South English IA 593K MCC TELEPHONY LLC 635      
319-301 1 South English IA 593K MCC TELEPHONY LLC 635   2021-06-11   
319-312 A Dysart IA 593K MCC TELEPHONY LLC 635      
319-312 1 Dysart IA 593K MCC TELEPHONY LLC 635   2010-05-17   
319-322 A Norway IA 593K MCC TELEPHONY LLC 635      
319-322 9 Norway IA 593K MCC TELEPHONY LLC 635   2010-05-06   
319-328 A Newhall IA 593K MCC TELEPHONY LLC 635      
319-328 9 Newhall IA 593K MCC TELEPHONY LLC 635   2010-05-06   
319-336 A Hills IA 593K MCC TELEPHONY LLC 635      
319-336 9 Hills IA 593K MCC TELEPHONY LLC 635   2010-05-09   
319-357 A Fairfax IA 593K MCC TELEPHONY LLC 635      
319-357 8 Fairfax IA 593K MCC TELEPHONY LLC 635   2010-05-06   
319-421 A Shell Rock IA 593K MCC TELEPHONY LLC 635      
319-421 9 Shell Rock IA 593K MCC TELEPHONY LLC 635   2010-05-09   
319-459 A North Liberty IA 593K MCC TELEPHONY LLC 635      
319-459 1 North Liberty IA 593K MCC TELEPHONY LLC 635   2010-05-06   
319-495 A La Porte City IA 593K MCC TELEPHONY LLC 635      
319-495 8 La Porte City IA 593K MCC TELEPHONY LLC 635   2010-05-06   
319-578 A Swisher IA 593K MCC TELEPHONY LLC 635      
319-674 A Wellman IA 593K MCC TELEPHONY LLC 635      
319-674 9 Wellman IA 593K MCC TELEPHONY LLC 635   2010-05-09   
319-745 A West Liberty IA 593K MCC TELEPHONY LLC 635      
319-779 A Kalona IA 593K MCC TELEPHONY LLC 635      
319-877 A West Branch IA 593K MCC TELEPHONY LLC 635      
563-454 A Wyoming IA 593K MCC TELEPHONY LLC 635      
563-683 A New Albin IA 593K MCC TELEPHONY LLC 635      
563-725 A Elgin IA 593K MCC TELEPHONY LLC 635      
563-764 A Ossian IA 593K MCC TELEPHONY LLC 635      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.