Area Code 787-973 located in GUAYANILLA, GUAYANILLA, PR, more detail is as below. Place NPA (Numbering Plan Area) : 787 NXX (Local Number Prefix) : 973 City : GUAYANILLA County : GUAYANILLA State : PR (Puerto Rico) NXX Use Type : Landline NXX Intro Version : 9/17/2007 FIPS (Federal Information Processing Standards) : 72059 LATA (Local Access Transport Area) : 820 Rate Center : GUAYANILLA ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 00656 Other Information NPANXX : 787973 MSA CBSA (Core Based Statistical Area) : Yauco, PR MSA CBSA Code (Core Based Statistical Area) : 49500 Time Zone : Atlantic (GMT -04:00) Observes Daylight Saving Time : No Company : TELEFONICA LARGA DISTANCIA DE PUERTO RICO - PR OCN (Operating Company Number) : 302B Coverage Area Name : GUAYANILLA Latitude : 18.0187 Longitude : -66.7924 ‹ previous : 787-972 next › : 787-974 Telephone Number List 787-973-0000 ~ 787-973-9999