Russian Oblast numbers and 2 letter codes can be found at URL:
http://www.astrosurf.com/lombry/qsl-download.htm
Scroll down to RU-Oblast and download the file
Japanese Prefectures, Cities, and Guns can be found at URL:
http://www.astrosurf.com/lombry/qsl-download.htm
Scroll down to JCC-JCG and download the file
Country Prefixes can be found at URL:
http://ac6v.com/prefixes.htm
This a big file showing current expanded lists, old prefixes, some maps
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Elementary Ya All
73 Phaselock Ohms