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: GRNRIA06RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-604 A Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 1 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 2 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 3 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 4 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 5 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 6 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 9 Humboldt IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
641-925 A Garner IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
641-925 1 Garner IA 842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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