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.

OCN: 8305 LIBERTY MOBILE PUERTO RICO INC.

<< 1 2 3 4 5 6 7 8 9 10 11 12

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
939-910 7 Maricao PR GUYNPR05DSA  820      
939-910 8 Maricao PR GUYNPR05DSA  820      
939-910 9 Maricao PR GUYNPR05DSA  820      

<< 1 2 3 4 5 6 7 8 9 10 11 12

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.