Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 955

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-955 A Fort Dodge IA FTDDIAXCDS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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