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.

Adjuntas, PR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
787-829 A ADJUPRURRS1  3201 PUERTO RICO TEL. CO. 820      
939-201 A GUYNPR05DSA  8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-201 0   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-201 1   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-201 2   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-201 3   9726 WORLDNET TELECOMMUNICATIONS, INC. - PR 820   2007-09-17   
939-201 4   073H TELNYX LLC 820   2022-11-20   
939-201 5   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-201 6   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-201 7   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820      
939-201 8   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2016-01-07   
939-201 9   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-800 A GUYNPRTCDS0  985G NATURAL G.C. INC. - PR 820      
939-800 0   985G NATURAL G.C. INC. - PR 820   2019-03-03   
939-800 3   559F NEUTRAL TANDEM - PR 820   2021-01-25   
939-800 6   091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820   2020-03-08   
939-800 7   624H ONVOY SPECTRUM, LLC 820   2023-12-05   
939-800 8   985G NATURAL G.C. INC. - PR 820   2019-03-03   
939-800 9   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2024-03-29   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.