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.

Aguadilla, PR

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
939-406 8 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2021-11-24   
939-406 9 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2021-01-29   
939-430 A   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820      
939-430 0   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2024-11-10   
939-430 1   8645 SUNCOM DBA T-MOBILE USA 820   2025-11-12   
939-430 2   8645 SUNCOM DBA T-MOBILE USA 820   2025-10-24   

<< 1 2 3

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.