Area Code 937-544 located in WEST UNION, ADAMS, OH, more detail is as below. Place NPA (Numbering Plan Area) : 937 NXX (Local Number Prefix) : 544 City : WEST UNION County : ADAMS State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 39001 LATA (Local Access Transport Area) : 328 Rate Center : WEST UNION ZIP Code Count : 2781 ZIP Code Frequency : 85 ZIP Code : 45693 Other Information NPANXX : 937544 Switch CLLI (Common Language Location Identifier) : WUNNOHXADS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - OH OCN (Operating Company Number) : 0615 Coverage Area Name : WEST UNION Latitude : 38.7929 Longitude : -83.5466 ‹ previous : 937-544 next › : 937-545 Telephone Number List 937-544-0000 ~ 937-544-9999