Area Code 810-204 located in FLINT, GENESEE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 810 NXX (Local Number Prefix) : 204 City : FLINT County : GENESEE State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 26049 LATA (Local Access Transport Area) : 340 Rate Center : FLINT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48503 Other Information NPANXX : 810204 Switch CLLI (Common Language Location Identifier) : SFLDMICTCM2 MSA CBSA (Core Based Statistical Area) : Flint, MI MSA CBSA Code (Core Based Statistical Area) : 22420 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : USA MOBILITY WIRELESS, INC. OCN (Operating Company Number) : 6630 Coverage Area Name : FLINT Latitude : 43.0169 Longitude : -83.6896 ‹ previous : 810-204 next › : 810-205 Telephone Number List 810-204-0000 ~ 810-204-9999