Area Code 814-503 located in DU BOIS, CLEARFIELD, PA, more detail is as below. Place NPA (Numbering Plan Area) : 814 NXX (Local Number Prefix) : 503 City : DU BOIS County : CLEARFIELD State : PA (Pennsylvania) NXX Use Type : Landline NXX Intro Version : 2000-10-31 FIPS (Federal Information Processing Standards) : 42033 LATA (Local Access Transport Area) : 230 Rate Center : DUBOIS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 15801 Other Information NPANXX : 814503 Switch CLLI (Common Language Location Identifier) : ALNAPAALJMD MSA CBSA (Core Based Statistical Area) : DuBois, PA MSA CBSA Code (Core Based Statistical Area) : 20180 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CHOICE ONE COMMUNICATIONS, INC. - PA OCN (Operating Company Number) : 4024 Coverage Area Name : DU BOIS Latitude : 41.1191 Longitude : -78.7585 ‹ previous : 814-502 next › : 814-504 Telephone Number List 814-503-0000 ~ 814-503-9999