Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-420 A Marion TX MARNTXMRRS0  9533 SOUTHWESTERN BELL 566      
830-420 0 Marion TX   903C ONVOY, LLC - TX 566   2014-09-01   
830-420 1 Marion TX   9533 SOUTHWESTERN BELL 566      
830-420 2 Marion TX   9533 SOUTHWESTERN BELL 566      
830-420 3 Marion TX   9533 SOUTHWESTERN BELL 566      
830-420 4 Marion TX   516C AT&T CORP. 566   2011-03-31   
830-420 5 Marion TX   073H TELNYX LLC 566   2019-11-23   
830-420 6 Marion TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2014-05-15   
830-420 7 Marion TX   793K TWC IP ENABLED SERVICES, LLC 566   2006-12-06   
830-420 8 Marion TX   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 566   2010-12-23   
830-420 9 Marion TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2012-08-09   

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

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