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: 989

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-989 A Port Arthur TX PTARTXYUDS0  9533 SOUTHWESTERN BELL 562      
409-989 0 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-989 1 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-989 2 Port Arthur TX   6701 AERIAL COMMUNICATIONS, INC. 562   2009-12-20   
409-989 3 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-989 4 Port Arthur TX   9533 SOUTHWESTERN BELL 562   2008-09-04   
409-989 5 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-989 6 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-989 7 Port Arthur TX   9533 SOUTHWESTERN BELL 562      
409-989 8 Port Arthur TX   6701 AERIAL COMMUNICATIONS, INC. 562   2007-10-21   
409-989 9 Port Arthur TX   6701 AERIAL COMMUNICATIONS, INC. 562   2007-10-21   

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

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