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.

Berclair, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
361-337 A CRCHTXTUX5Y  903C ONVOY, LLC - TX 564      
361-337 0   073H TELNYX LLC 564   2021-03-07   
361-337 1   903C ONVOY, LLC - TX 564   2023-09-18   
361-337 2   903C ONVOY, LLC - TX 564   2021-03-15   
361-337 3   903C ONVOY, LLC - TX 564   2019-01-12   
361-337 7   145J TERRA NOVA TELECOM INC. 564   2025-08-16   
361-337 8   624H ONVOY SPECTRUM, LLC 564   2024-05-19   
361-337 9   903C ONVOY, LLC - TX 564   2022-12-15   
361-439 A BRCLTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 0   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 1   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 2   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 3   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 4   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 5   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 6   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 7   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 8   2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-439 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2016-05-30   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.