Area Code 939-205 located in SAN JUAN, SAN JUAN, PR, more detail is as below. Place NPA (Numbering Plan Area) : 939 NXX (Local Number Prefix) : 205 City : SAN JUAN County : SAN JUAN State : PR (Puerto Rico) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 72127 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 : 00920 Other Information NPANXX : 939205 Switch CLLI (Common Language Location Identifier) : GUYNPRABGT0 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 : TELEFONICA LARGA DISTANCIA DE PUERTO RICO - PR OCN (Operating Company Number) : 302B Coverage Area Name : GUAYNABO Latitude : 18.4153 Longitude : -66.1036 ‹ previous : 939-205 next › : 939-207 Telephone Number List 939-205-0000 ~ 939-205-9999