Area Code 419-772 located in ADA, HARDIN, OH, more detail is as below. Place NPA (Numbering Plan Area) : 419 NXX (Local Number Prefix) : 772 City : ADA County : HARDIN State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 39065 LATA (Local Access Transport Area) : 923 Rate Center : ADA ZIP Code Count : 3 ZIP Code Frequency : 100 ZIP Code : 45810 Other Information NPANXX : 419772 County Population : 0 Switch CLLI (Common Language Location Identifier) : ADA OHXARS1 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : UNITED TEL. CO. OF OHIO - CENTURYLINK OCN (Operating Company Number) : 0661 Coverage Area Name : ADA Latitude : 40.7734 Longitude : -83.8230 ‹ previous : 419-771 next › : 419-773 Telephone Number List 419-772-0000 ~ 419-772-9999