Area Code 916-346 located in NEWCASTLE, PLACER, CA, more detail is as below. Place NPA (Numbering Plan Area) : 916 NXX (Local Number Prefix) : 346 City : NEWCASTLE County : PLACER State : CA (California) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 06061 LATA (Local Access Transport Area) : 726 Rate Center : SCRM MAIN ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 95658 Other Information NPANXX : 916346 Switch CLLI (Common Language Location Identifier) : SCRMCA01X1X MSA CBSA (Core Based Statistical Area) : Sacramento--Arden-Arcade--Roseville, CA MSA CBSA Code (Core Based Statistical Area) : 40900 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : SACRAMENTO Latitude : 38.5804 Longitude : -121.4863 ‹ previous : 916-346 next › : 916-347 Telephone Number List 916-346-0000 ~ 916-346-9999