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: CAYYPRCODS1

Remotes:

Switch Switch name Switch type
ABITPRURRS1  AIBONITO  RLC 
ASBSPRURRS1  AGUAS BUENAS  RS 
CDRAPRURRS1  CIDRA  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
787-263 A Cayey PR 3201 PUERTO RICO TEL. CO. 820      
787-535 4 Cayey PR 3201 PUERTO RICO TEL. CO. 820   2004-01-06   
787-738 A Cayey PR 3201 PUERTO RICO TEL. CO. 820      

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

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