Area Code 615-644 located in WESTMORELAND, SUMNER, TN, more detail is as below. Place NPA (Numbering Plan Area) : 615 NXX (Local Number Prefix) : 644 City : WESTMORELAND County : SUMNER State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 47165 LATA (Local Access Transport Area) : 470 Rate Center : WESTMORELD ZIP Code Count : 1597 ZIP Code Frequency : 97 ZIP Code : 37186 Other Information NPANXX : 615644 Switch CLLI (Common Language Location Identifier) : WMLDTNXARS5 MSA CBSA (Core Based Statistical Area) : Nashville-Davidson--Murfreesboro--Franklin, TN MSA CBSA Code (Core Based Statistical Area) : 34980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NORTH CENTRAL TELEPHONE COOPERATIVE, INC. - TN OCN (Operating Company Number) : 0573 Coverage Area Name : WESTMORELAND Latitude : 36.5648 Longitude : -86.2515 ‹ previous : 615-644 next › : 615-646 Telephone Number List 615-644-0000 ~ 615-644-9999