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.

Switch: SLKDUTYI4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-410 A Morgan UT 073H TELNYX LLC 660      
385-410 0 Morgan UT 073H TELNYX LLC 660   2021-09-27   
385-410 8 Morgan UT 073H TELNYX LLC 660   2023-07-18   
385-553 0 Morgan UT 073H TELNYX LLC 660   2023-12-08   
385-832 1 American Fork UT 073H TELNYX LLC 660   2022-04-28   
435-274 1 Tooele UT 073H TELNYX LLC 660   2022-06-10   
435-567 0 Richfield UT 073H TELNYX LLC 660   2022-04-26   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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