Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 325 [Rate centres in NPA 325] [Dial plan for NPA 325]

NXX: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
325-237 A Blackwell TX BLWLTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 550      
325-237 0 Blackwell TX   903C ONVOY, LLC - TX 550   2023-07-31   
325-237 1 Blackwell TX   903C ONVOY, LLC - TX 550   2022-12-21   
325-237 2 Blackwell TX   903C ONVOY, LLC - TX 550   2019-08-18   
325-237 3 Blackwell TX   903C ONVOY, LLC - TX 550   2019-08-18   
325-237 4 Blackwell TX   903C ONVOY, LLC - TX 550   2021-07-24   
325-237 5 Blackwell TX   903C ONVOY, LLC - TX 550   2021-02-12   
325-237 6 Blackwell TX   903C ONVOY, LLC - TX 550   2022-10-24   
325-237 7 Blackwell TX   903C ONVOY, LLC - TX 550   2020-11-23   
325-237 8 Blackwell TX   903C ONVOY, LLC - TX 550   2020-11-23   
325-237 9 Blackwell TX   1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 550   2018-03-05   

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

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