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: CMBRIAAB1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-220 A Cambridge IA 5852 HUXLEY COMMUNICATIONS COOPERATIVE - IA 632      
515-220 4 Cambridge IA 5852 HUXLEY COMMUNICATIONS COOPERATIVE - IA 632   2001-11-17   
515-367 7 Elkhart IA 5852 HUXLEY COMMUNICATIONS COOPERATIVE - IA 632   2004-09-17   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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