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.

San Lorenzo, PR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
787-715 A SNLZPRURRS1  3201 PUERTO RICO TEL. CO. 820      
787-715 0   3201 PUERTO RICO TEL. CO. 820      
787-715 1   3201 PUERTO RICO TEL. CO. 820      
787-715 2   3201 PUERTO RICO TEL. CO. 820      
787-715 3   3201 PUERTO RICO TEL. CO. 820      
787-715 4   3201 PUERTO RICO TEL. CO. 820      
787-715 5   9726 WORLDNET TELECOMMUNICATIONS, INC. - PR 820   2007-05-16   
787-715 6   3201 PUERTO RICO TEL. CO. 820      
787-715 7   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2016-01-08   
787-715 8   3201 PUERTO RICO TEL. CO. 820      
787-715 9   3201 PUERTO RICO TEL. CO. 820      
787-736 A SNLZPRURRS1  3201 PUERTO RICO TEL. CO. 820      
787-937 A GUYNPR05DSA  8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 0   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 1   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 2   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 3   667C PUERTO RICO TELEPHONE COMPANY, INC. 820   2009-09-03   
787-937 4   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 5   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 6   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 7   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
787-937 8   091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820   2020-03-08   
787-937 9   8305 LIBERTY MOBILE PUERTO RICO INC. 820      
939-300 A GUYNPRTCDS0  985G NATURAL G.C. INC. - PR 820      
939-300 0   985G NATURAL G.C. INC. - PR 820   2019-03-03   
939-300 1   073H TELNYX LLC 820   2022-12-19   
939-300 3   985G NATURAL G.C. INC. - PR 820   2019-03-03   
939-300 4   559F NEUTRAL TANDEM - PR 820   2021-01-25   
939-300 5   624H ONVOY SPECTRUM, LLC 820   2023-12-05   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.