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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-313 A Hastings NE LNCLNEXLXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2025-01-25   
531-313 1 Hastings NE   6701 AERIAL COMMUNICATIONS, INC. 958   2025-05-01   
531-313 2 Hastings NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2025-05-14   
531-313 3 Hastings NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2025-05-14   
531-313 8 Hastings NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2025-10-15   
531-313 9 Hastings NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2025-01-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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