Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

NXX: 830

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-830 A San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 0 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 1 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 2 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 3 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 4 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 5 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 6 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 7 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 8 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-30   
210-830 9 San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2024-03-31   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.