Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 435

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-435 A Howells NE   6701 AERIAL COMMUNICATIONS, INC. 644   2026-04-04   
531-435 9 Howells NE   6701 AERIAL COMMUNICATIONS, INC. 644   2026-04-04   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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