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: 385 [Rate centres in NPA 385] [Dial plan for NPA 385]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-578 A Salt Lake City UT   871E ONVOY, LLC - UT 660   2024-06-01   
385-578 0 Salt Lake City UT   871E ONVOY, LLC - UT 660      
385-578 1 Salt Lake City UT   073H TELNYX LLC 660      
385-578 2 Salt Lake City UT   073H TELNYX LLC 660      
385-578 3 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-578 4 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-578 5 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-578 6 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-578 7 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-578 8 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-578 9 Salt Lake City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.