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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-581 A Salt Lake City UT   6529 T-MOBILE USA, INC. 660   2024-08-11   
385-581 0 Salt Lake City UT   732J NUSO, LLC 660      
385-581 1 Salt Lake City UT   732J NUSO, LLC 660      
385-581 2 Salt Lake City UT   871E ONVOY, LLC - UT 660      
385-581 3 Salt Lake City UT   073H TELNYX LLC 660      
385-581 4 Salt Lake City UT   6529 T-MOBILE USA, INC. 660      
385-581 5 Salt Lake City UT   6529 T-MOBILE USA, INC. 660      
385-581 6 Salt Lake City UT   6529 T-MOBILE USA, INC. 660      
385-581 7 Salt Lake City UT   6529 T-MOBILE USA, INC. 660      
385-581 8 Salt Lake City UT   6529 T-MOBILE USA, INC. 660      
385-581 9 Salt Lake City UT   6529 T-MOBILE USA, INC. 660      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.