Area Code 815-248 located in DAVIS, STEPHENSON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 815 NXX (Local Number Prefix) : 248 City : DAVIS County : STEPHENSON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17177 LATA (Local Access Transport Area) : 360 Rate Center : DURAND ZIP Code Count : 899 ZIP Code Frequency : 53 ZIP Code : 61019 Other Information NPANXX : 815248 Switch CLLI (Common Language Location Identifier) : DRNDILXARS1 MSA CBSA (Core Based Statistical Area) : Freeport, IL MSA CBSA Code (Core Based Statistical Area) : 23300 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - IL OCN (Operating Company Number) : 1036 Coverage Area Name : DURAND Latitude : 42.4336 Longitude : -89.3330 ‹ previous : 815-248 next › : 815-249 Telephone Number List 815-248-0000 ~ 815-248-9999