Area Code 931-223 located in COLUMBIA, MAURY, TN, more detail is as below. Place NPA (Numbering Plan Area) : 931 NXX (Local Number Prefix) : 223 City : COLUMBIA County : MAURY State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 47119 LATA (Local Access Transport Area) : 470 Rate Center : COLUMBIA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 38401 Other Information NPANXX : 931223 Switch CLLI (Common Language Location Identifier) : BRWDTNDDDS0 MSA CBSA (Core Based Statistical Area) : Columbia, TN MSA CBSA Code (Core Based Statistical Area) : 17940 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : US LEC OF TENNESSEE, INC OCN (Operating Company Number) : 8356 Coverage Area Name : COLUMBIA Latitude : 35.6081 Longitude : -87.0331 ‹ previous : 931-222 next › : 931-224 Telephone Number List 931-223-0000 ~ 931-223-9999