Area Code 989-277 located in HENDERSON, SHIAWASSEE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 989 NXX (Local Number Prefix) : 277 City : HENDERSON County : SHIAWASSEE State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 26155 LATA (Local Access Transport Area) : 344 Rate Center : OWOSSO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48841 Other Information NPANXX : 989277 Switch CLLI (Common Language Location Identifier) : SGNWMIFACM3 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI OCN (Operating Company Number) : 6003 Coverage Area Name : OWOSSO Latitude : 43.0003 Longitude : -84.1824 ‹ previous : 989-276 next › : 989-278 Telephone Number List 989-277-0000 ~ 989-277-9999