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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-423 A Kirbyville TX KBVLTXKBRS0  9533 SOUTHWESTERN BELL 562      
409-423 0 Kirbyville TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 562      
409-423 1 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 2 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 3 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 4 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 5 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 6 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 7 Kirbyville TX   9533 SOUTHWESTERN BELL 562      
409-423 8 Kirbyville TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 562   2021-12-05   
409-423 9 Kirbyville TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 562      

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

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