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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-378 A New Orleans LA   829J PAETEC ITEL, LLC 490   2024-12-11   

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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