Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-366 A Jasper TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 562      
409-366 2 Jasper TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 562   2025-09-26   

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

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