Area Code 219-331 located in PORTAGE, PORTER, IN, more detail is as below. Place NPA (Numbering Plan Area) : 219 NXX (Local Number Prefix) : 331 City : PORTAGE County : PORTER State : IN (Indiana) NXX Use Type : Wireless NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 18127 LATA (Local Access Transport Area) : 332 Rate Center : PORTAGE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 46368 Other Information NPANXX : 219331 County Population : 0 Switch CLLI (Common Language Location Identifier) : PRTGINXAAMD MSA CBSA (Core Based Statistical Area) : Chicago-Naperville-Joliet, IL-IN-WI MSA CBSA Code (Core Based Statistical Area) : 16980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : PORTAGE Latitude : 41.5917 Longitude : -87.1711 ‹ previous : 219-330 next › : 219-335 Telephone Number List 219-331-0000 ~ 219-331-9999