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.
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OCN: 751F MCC TELEPHONY OF IOWA, LLC - IA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-469 0 Manson IA RCCYIAXCBMD  630   2010-04-23   
712-694 A Cushing IA SXCYIADTMMD  630      
712-694 1 Cushing IA   630   2021-10-09   
712-749 8 Storm Lake IA SXCYIADTMMD  630   2005-06-01   
712-759 A Spirit Lake IA SXCYIADTMMD  630      
712-759 1 Spirit Lake IA SXCYIADTMMD  630   2010-05-15   
712-832 1 Lake Park IA SXCYIADTMMD  630   2010-04-23   
712-845 0 Laurens IA SXCYIADTMMD  630   2010-04-23   
712-975 7 Schaller IA DESMIAITX0X  630   2021-09-04   
712-977 1 Milford IA SXCYIADTMMD  630   2023-09-01   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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