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: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
325-617 A San Angelo TX   612K CSC VOICE, LLC 961      
325-617 2 San Angelo TX   612K CSC VOICE, LLC 961   2007-10-25   
325-617 3 San Angelo TX SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2007-08-22   
325-617 4 San Angelo TX   612K CSC VOICE, LLC 961   2006-07-31   
325-617 5 San Angelo TX   612K CSC VOICE, LLC 961   2013-09-01   
325-617 6 San Angelo TX SANGTXXA0MD  6529 T-MOBILE USA, INC. 961   2007-08-22   
325-617 7 San Angelo TX   612K CSC VOICE, LLC 961   2010-09-18   
325-617 8 San Angelo TX SANGTXXAYMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 961   2013-08-16   
325-617 9 San Angelo TX   6529 T-MOBILE USA, INC. 961   2007-08-22   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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