Area Code 231-537 located in LEVERING, EMMET, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 537 City : LEVERING County : EMMET State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26047 LATA (Local Access Transport Area) : 348 Rate Center : LEVERING ZIP Code Count : 865 ZIP Code Frequency : 70 ZIP Code : 49755 Other Information NPANXX : 231537 County Population : 0 Switch CLLI (Common Language Location Identifier) : LVRGMIXIDS1 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CENTURYTEL OF MICHIGAN INC DBA CENTURYLINK OCN (Operating Company Number) : 0702 Coverage Area Name : LEVERING Latitude : 45.6331 Longitude : -84.7898 ‹ previous : 231-537 next › : 231-538 Telephone Number List 231-537-0000 ~ 231-537-9999