Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 432 [Rate centres in NPA 432] [Dial plan for NPA 432]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
432-640 A Terminal 640 TX TRMNTXTERS0  9533 SOUTHWESTERN BELL 542      
432-640 0 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 1 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 2 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 3 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 4 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 5 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 6 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 7 Terminal 640 TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2013-03-23   
432-640 8 Terminal 640 TX   9533 SOUTHWESTERN BELL 542      
432-640 9 Terminal 640 TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2006-10-12   

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

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