Area Code 810-512 located in ALGONAC, SAINT CLAIR, MI, more detail is as below. Place NPA (Numbering Plan Area) : 810 NXX (Local Number Prefix) : 512 City : ALGONAC County : SAINT CLAIR State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26147 LATA (Local Access Transport Area) : 340 Rate Center : ALGONAC ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 48001 Other Information NPANXX : 810512 Switch CLLI (Common Language Location Identifier) : SFLDMIDICA0 MSA CBSA (Core Based Statistical Area) : Detroit-Warren-Livonia, MI MSA CBSA Code (Core Based Statistical Area) : 19820 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC. - MI OCN (Operating Company Number) : 2550 Coverage Area Name : ALGONAC Latitude : 42.6166 Longitude : -82.5333 ‹ previous : 810-508 next › : 810-513 Telephone Number List 810-512-0000 ~ 810-512-9999