Area Code 712-735 located in MELVIN, OSCEOLA, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 735 City : MELVIN County : OSCEOLA State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19143 LATA (Local Access Transport Area) : 630 Rate Center : MAY CITY ZIP Code Count : 3 ZIP Code Frequency : 2 ZIP Code : 51350 Other Information NPANXX : 712735 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH OCN (Operating Company Number) : 1167 Coverage Area Name : MELVIN Latitude : 43.3162 Longitude : -95.4752 ‹ previous : 712-735 next › : 712-735 Telephone Number List 712-735-0000 ~ 712-735-9999