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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-238 A Ogden UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
385-238 0 Ogden UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-21   
385-238 1 Ogden UT   871E ONVOY, LLC - UT 660   2014-10-28   
385-238 2 Ogden UT   871E ONVOY, LLC - UT 660   2014-10-28   
385-238 3 Ogden UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-10-24   
385-238 4 Ogden UT   318J COMCAST IP PHONE, LLC 660   2014-10-21   
385-238 5 Ogden UT   6529 T-MOBILE USA, INC. 660   2015-07-06   
385-238 6 Ogden UT   6529 T-MOBILE USA, INC. 660   2015-07-06   
385-238 7 Ogden UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-21   
385-238 8 Ogden UT   6529 T-MOBILE USA, INC. 660   2014-10-18   
385-238 9 Ogden UT   6529 T-MOBILE USA, INC. 660   2014-10-18   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.