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: RNDLIAXORP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-328 A Randall IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 1 Randall IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 2 Randall IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 3 Randall IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 9 Randall IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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