Area Code 812-247 located in SHOALS, MARTIN, IN, more detail is as below. Place NPA (Numbering Plan Area) : 812 NXX (Local Number Prefix) : 247 City : SHOALS County : MARTIN State : IN (Indiana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 18101 LATA (Local Access Transport Area) : 330 Rate Center : SHOALS ZIP Code Count : 828 ZIP Code Frequency : 98 ZIP Code : 47581 Other Information NPANXX : 812247 Switch CLLI (Common Language Location Identifier) : SHLSINXARS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - IN OCN (Operating Company Number) : 0779 Coverage Area Name : SHOALS Latitude : 38.6649 Longitude : -86.7926 ‹ previous : 812-246 next › : 812-248 Telephone Number List 812-247-0000 ~ 812-247-9999