Area Code 615-685 located in SOUTHSIDE, MONTGOMERY, TN, more detail is as below. Place NPA (Numbering Plan Area) : 615 NXX (Local Number Prefix) : 685 City : SOUTHSIDE County : MONTGOMERY State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 47125 LATA (Local Access Transport Area) : 470 Rate Center : SOFREDONIA ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37171 Other Information NPANXX : 615685 Switch CLLI (Common Language Location Identifier) : NSVMTN17DS0 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 Company : LEVEL 3 COMMUNICATIONS, LLC - TN OCN (Operating Company Number) : 4806 Coverage Area Name : CLARKSVILLE Latitude : 36.4423 Longitude : -87.2198 ‹ previous : 615-684 next › : 615-685 Telephone Number List 615-685-0000 ~ 615-685-9999