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: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-394 A Ashland NE LNCLNEXLXTX  5562 METROPCS, INC. 958   2025-05-23   
531-394 0 Ashland NE LNCLNEXLXTX  6701 AERIAL COMMUNICATIONS, INC. 958   2026-01-14   
531-394 2 Ashland NE LNCLNEXLXDY  793K TWC IP ENABLED SERVICES, LLC 958   2026-04-06   
531-394 9 Ashland NE LNCLNEXLXTX  5562 METROPCS, INC. 958   2025-05-23   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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