Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-816 A Shamrock TX AMRLTXDRWMD  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 546      
806-816 0 Shamrock TX   903C ONVOY, LLC - TX 546   2023-08-06   
806-816 1 Shamrock TX   515J IP HORIZON LLC 546   2023-12-28   
806-816 2 Shamrock TX   903C ONVOY, LLC - TX 546   2023-04-22   
806-816 3 Shamrock TX   318C CEBRIDGE TELECOM TX , L.P. - TX 546   2024-03-25   
806-816 4 Shamrock TX   515J IP HORIZON LLC 546   2025-04-28   
806-816 5 Shamrock TX   515J IP HORIZON LLC 546   2025-04-28   
806-816 6 Shamrock TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 546   2023-02-24   
806-816 7 Shamrock TX   516C AT&T CORP. 546   2023-07-12   
806-816 8 Shamrock TX   515J IP HORIZON LLC 546   2023-12-28   

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

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