Area Code 615-648 located in CLARKSVILLE, MONTGOMERY, TN, more detail is as below. Place NPA (Numbering Plan Area) : 615 NXX (Local Number Prefix) : 648 City : CLARKSVILLE County : MONTGOMERY State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 47125 Rate Center : LEBANON ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 37040 Other Information NPANXX : 615648 MSA CBSA (Core Based Statistical Area) : Clarksville, TN-KY MSA CBSA Code (Core Based Statistical Area) : 17300 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 615-647 next › : 615-649 Telephone Number List 615-648-0000 ~ 615-648-9999