Local Calling Guide

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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-521 A Castroville TX SNANTX91DS2  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 566      
830-521 0 Castroville TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-521 2 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-02-16   
830-521 3 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-08-06   
830-521 4 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-06-02   
830-521 5 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-08-06   
830-521 6 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-06-02   
830-521 7 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-04-11   
830-521 8 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-04-11   
830-521 9 Castroville TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2016-05-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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