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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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-888 A Boone IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
515-888 8 Boone IA DESMIAITX8X  145J TERRA NOVA TELECOM INC. 632   2024-09-04   
515-888 9 Boone IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2024-12-19   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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