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: RCCYIAXCBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-297 2 Rockwell City IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   
712-349 0 Harris IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   
712-415 A Emmetsburg IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630      
712-415 1 Emmetsburg IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   
712-464 0 Lake City IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   
712-468 5 Pomeroy IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630   2021-12-16   
712-469 0 Manson IA 751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   

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

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