Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-303 A Commerce TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-303 0 Commerce TX   903C ONVOY, LLC - TX 552   2016-05-06   
430-303 1 Commerce TX   903C ONVOY, LLC - TX 552   2016-05-06   
430-303 2 Commerce TX   903C ONVOY, LLC - TX 552   2020-08-16   
430-303 3 Commerce TX   903C ONVOY, LLC - TX 552   2020-08-16   
430-303 4 Commerce TX   903C ONVOY, LLC - TX 552   2020-08-16   
430-303 5 Commerce TX   6529 T-MOBILE USA, INC. 552   2024-10-04   
430-303 6 Commerce TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2016-06-01   
430-303 7 Commerce TX   5562 METROPCS, INC. 552   2022-06-30   
430-303 8 Commerce TX   6529 T-MOBILE USA, INC. 552   2024-11-21   
430-303 9 Commerce TX   197D VONAGE AMERICA LLC 552   2021-05-29   

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

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