Area Code 787-774 located in GUAYNABO, GUAYNABO, PR, more detail is as below. Place NPA (Numbering Plan Area) : 787 NXX (Local Number Prefix) : 774 City : GUAYNABO County : GUAYNABO State : PR (Puerto Rico) NXX Use Type : Landline NXX Intro Version : 1996-10-15 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 : 00965 Other Information NPANXX : 787774 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 : PUERTO RICO TELEPHONE CO. OCN (Operating Company Number) : 3201 Coverage Area Name : GUAYNABO Latitude : 18.4153 Longitude : -66.1036 ‹ previous : 787-774 next › : 787-775 Telephone Number List 787-774-0000 ~ 787-774-9999