CP737

Code Page 737 (CP737, DOS 737, DOS CP737, DOS Greek) is an 8-bit character encoding. It is a member of the family of MS-DOS encodings intended for use with the Greek language. The lower half is the same as CP437 (and ASCII), and the upper half has Greek letters and a few other things such as box drawing characters.

Links

 * Wikipedia article
 * Code chart at KreativeKorp