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: 939 [Rate centres in NPA 939] [Dial plan for NPA 939]

NXX: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-424 A Bayamón Norte PR   8645 SUNCOM DBA T-MOBILE USA 820   2024-08-16   
939-424 5 Bayamón Norte PR   8645 SUNCOM DBA T-MOBILE USA 820      
939-424 6 Bayamón Norte PR   8645 SUNCOM DBA T-MOBILE USA 820      
939-424 7 Bayamón Norte PR   8645 SUNCOM DBA T-MOBILE USA 820      
939-424 8 Bayamón Norte PR   8645 SUNCOM DBA T-MOBILE USA 820      
939-424 9 Bayamón Norte PR   8645 SUNCOM DBA T-MOBILE USA 820      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.