Area Code 989-723 located in OWOSSO, SHIAWASSEE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 989 NXX (Local Number Prefix) : 723 City : OWOSSO County : SHIAWASSEE State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 26155 LATA (Local Access Transport Area) : 344 Rate Center : OWOSSO ZIP Code Count : 4533 ZIP Code Frequency : 95 ZIP Code : 48867 Other Information NPANXX : 989723 Switch CLLI (Common Language Location Identifier) : OWSOMIXHDS0 MSA CBSA (Core Based Statistical Area) : Owosso, MI MSA CBSA Code (Core Based Statistical Area) : 37020 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - MI OCN (Operating Company Number) : 0695 Coverage Area Name : OWOSSO Latitude : 43.0020 Longitude : -84.1738 ‹ previous : 989-723 next › : 989-724 Telephone Number List 989-723-0000 ~ 989-723-9999