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: 1158 MINBURN TELECOMMUNICATIONS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
515-438 A Woodward IA WDWRIAXODS0  632      
515-438 0 Woodward IA WDWRIAXODS0  632      
515-438 1 Woodward IA WDWRIAXODS0  632      
515-438 2 Woodward IA WDWRIAXODS0  632      
515-438 3 Woodward IA WDWRIAXODS0  632      
515-438 4 Woodward IA WDWRIAXODS0  632      
515-438 5 Woodward IA WDWRIAXODS0  632      
515-438 7 Woodward IA WDWRIAXODS0  632      
515-438 9 Woodward IA WDWRIAXODS0  632      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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