Area Code 234-229 located in OH, more detail is as below. Place NPA (Numbering Plan Area) : 234 NXX (Local Number Prefix) : 229 State : OH (Ohio) NXX Intro Version : 6/18/2013 Rate Center : MANCHESTR ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 234229 County Population : 0 Time Zone : Eastern (GMT -05:00) Company : TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH OCN (Operating Company Number) : 547D Latitude : None Longitude : None ‹ previous : 234-228 next › : 234-231 Telephone Number List 234-229-0000 ~ 234-229-9999