Area Code 787-917 located in CIALES, CIALES, PR, more detail is as below. Place NPA (Numbering Plan Area) : 787 NXX (Local Number Prefix) : 917 City : CIALES County : CIALES State : PR (Puerto Rico) NXX Use Type : Landline NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 72039 LATA (Local Access Transport Area) : 820 Rate Center : CIALES ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 00638 Other Information NPANXX : 787917 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 : CIALES Latitude : 18.3368 Longitude : -66.4670 ‹ previous : 787-916 next › : 787-918 Telephone Number List 787-917-0000 ~ 787-917-9999