Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 504 [Rate centres in NPA 504] [Dial plan for NPA 504]

NXX: 268

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-268 A Kenner LA LARSLAXA0MD  6630 USA MOBILITY WIRELESS, INC. 490      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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