Area Code 765-728 located in MONTPELIER, BLACKFORD, IN, more detail is as below. Place NPA (Numbering Plan Area) : 765 NXX (Local Number Prefix) : 728 City : MONTPELIER County : BLACKFORD State : IN (Indiana) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 18009 LATA (Local Access Transport Area) : 336 Rate Center : MONTPELIER ZIP Code Count : 846 ZIP Code Frequency : 85 ZIP Code : 47359 Other Information NPANXX : 765728 Switch CLLI (Common Language Location Identifier) : MTPLIN01DS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AMERITECH INDIANA OCN (Operating Company Number) : 9325 Coverage Area Name : MONTPELIER Latitude : 40.5519 Longitude : -85.2804 ‹ previous : 765-728 next › : 765-729 Telephone Number List 765-728-0000 ~ 765-728-9999