Area Code 787-679 located in GUAYNABO, GUAYNABO, PR, more detail is as below. Place NPA (Numbering Plan Area) : 787 NXX (Local Number Prefix) : 679 City : GUAYNABO County : GUAYNABO State : PR (Puerto Rico) NXX Use Type : Landline NXX Intro Version : 11/29/2006 FIPS (Federal Information Processing Standards) : 72061 LATA (Local Access Transport Area) : 820 Rate Center : PUEBLOVIEJ ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 00968 Other Information NPANXX : 787679 Switch CLLI (Common Language Location Identifier) : GUYNPR20DS0 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 : WORLDNET TELECOMMUNICATIONS, INC. - PR OCN (Operating Company Number) : 9726 Coverage Area Name : GUAYNABO Latitude : 18.4153 Longitude : -66.1036 ‹ previous : 787-678 next › : 787-680 Telephone Number List 787-679-0000 ~ 787-679-9999