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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-221 A Buffalo (Leon) TX BFLOTXXAPS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      
430-221 1 Buffalo (Leon) TX   145J TERRA NOVA TELECOM INC. 552   2025-08-15   
430-221 2 Buffalo (Leon) TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2021-02-18   
430-221 6 Buffalo (Leon) TX FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-07-30   
430-221 7 Buffalo (Leon) TX FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-07-30   
430-221 8 Buffalo (Leon) TX FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-07-30   
430-221 9 Buffalo (Leon) TX BFLOTXXAPS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552   2015-08-28   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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