Area Code 816-340 located in KANSAS CITY, CLAY, MO, more detail is as below. Place NPA (Numbering Plan Area) : 816 NXX (Local Number Prefix) : 340 City : KANSAS CITY County : CLAY State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 29047 LATA (Local Access Transport Area) : 524 Rate Center : KANSASCITY ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 64116 Other Information NPANXX : 816340 Switch CLLI (Common Language Location Identifier) : KSCYMO05CG0 MSA CBSA (Core Based Statistical Area) : Kansas City, MO-KS MSA CBSA Code (Core Based Statistical Area) : 28140 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : KANSAS CITY Latitude : 39.0565 Longitude : -94.5845 ‹ previous : 816-339 next › : 816-340 Telephone Number List 816-340-0000 ~ 816-340-9999