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: 208 [Rate centres in NPA 208] [Dial plan for NPA 208]

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
208-544 A Twin Falls ID SHSHIDMARS1  9636 QWEST CORPORATION 652      
208-544 0 Twin Falls ID   6010 NEW CINGULAR WIRELESS PCS, LLC 652   2014-10-22   
208-544 1 Twin Falls ID   5562 METROPCS, INC. 652   2016-05-13   
208-544 2 Twin Falls ID   9636 QWEST CORPORATION 652      
208-544 3 Twin Falls ID   6010 NEW CINGULAR WIRELESS PCS, LLC 652   2025-02-03   
208-544 4 Twin Falls ID   689F ONVOY, LLC - ID 652   2018-06-11   
208-544 5 Twin Falls ID   689F ONVOY, LLC - ID 652   2023-05-11   
208-544 6 Twin Falls ID   6529 T-MOBILE USA, INC. 652   2019-04-21   
208-544 7 Twin Falls ID   9636 QWEST CORPORATION 652      
208-544 8 Twin Falls ID   6529 T-MOBILE USA, INC. 652   2018-10-12   
208-544 9 Twin Falls ID   073H TELNYX LLC 652   2018-04-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.