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.

Switch: GUYNPRTCDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
939-296 A Juncos PR 985G NATURAL G.C. INC. - PR 820      
939-300 A San Lorenzo PR 985G NATURAL G.C. INC. - PR 820      
939-393 A Barceloneta PR 985G NATURAL G.C. INC. - PR 820      
939-412 A Levittown PR 985G NATURAL G.C. INC. - PR 820      
939-444 A Roosevelt Roads PR 985G NATURAL G.C. INC. - PR 820      
939-445 A Guánica PR 985G NATURAL G.C. INC. - PR 820      
939-592 A Bayamón Sur PR 985G NATURAL G.C. INC. - PR 820      
939-666 A San Sebastián PR 985G NATURAL G.C. INC. - PR 820      
939-709 A Río Piedras PR 985G NATURAL G.C. INC. - PR 820      
939-800 A Adjuntas PR 985G NATURAL G.C. INC. - PR 820      
939-888 A Las Piedras PR 985G NATURAL G.C. INC. - PR 820      
939-900 A Ponce PR 985G NATURAL G.C. INC. - PR 820      
939-985 A Comerio PR 985G NATURAL G.C. INC. - PR 820      
939-999 A Aguas Buenas PR 985G NATURAL G.C. INC. - PR 820      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.