Area Code 787-474 located in SAN JUAN, SAN JUAN, PR, more detail is as below. Place NPA (Numbering Plan Area) : 787 NXX (Local Number Prefix) : 474 City : SAN JUAN County : SAN JUAN State : PR (Puerto Rico) NXX Use Type : Landline NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 72127 LATA (Local Access Transport Area) : 820 Rate Center : RIO PIEDRA ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 00926 Other Information NPANXX : 787474 Switch CLLI (Common Language Location Identifier) : GUYNPR05DS0 MSA CBSA (Core Based Statistical Area) : San Juan-Caguas-Guaynabo, PR MSA CBSA Code (Core Based Statistical Area) : 41980 Time Zone : Atlantic (GMT -04:00) Observes Daylight Saving Time : No Company : CENTENNIAL PUERTO RICO OPERATIONS CORP. - PR OCN (Operating Company Number) : 8305 Coverage Area Name : RIO PIEDRAS Latitude : 18.4261 Longitude : -66.0587 ‹ previous : 787-473 next › : 787-474 Telephone Number List 787-474-0000 ~ 787-474-9999