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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Switch: WNTRIABO0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-739 A Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
515-739 1 Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2015-08-21   
515-739 2 Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2015-12-11   
515-739 6 Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2017-07-10   
515-739 7 Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2017-07-10   
515-739 8 Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2017-01-06   
515-739 9 Winterset IA 3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2017-01-06   

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

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