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: 6933 BORINQUEN BEEPERS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
787-572 A Santurce PR BYMNPR01DS0  820      
787-573 A Bayamón Norte PR BYMNPR01DS0  820      
787-574 A Bayamón Norte PR BYMNPR01DS0  820      
787-575 A Bayamón Norte PR BYMNPR01DS0  820      
787-576 A Bayamón Norte PR BYMNPR01DS0  820      
787-577 A Bayamón Norte PR BYMNPR01DS0  820      
787-578 A Bayamón Norte PR BYMNPR01DS0  820      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.