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: 984

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-984 A Port Arthur TX PTARTXYUDS0  9533 SOUTHWESTERN BELL 562      
409-984 0 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 1 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 2 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 3 Port Arthur TX   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 562   2007-09-15   
409-984 4 Port Arthur TX   9533 SOUTHWESTERN BELL 562   2007-11-07   
409-984 5 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 6 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 7 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 8 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-984 9 Port Arthur TX   9533 SOUTHWESTERN BELL 562      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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