Telephone numbers in the Soviet Union

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Telephone numbers in Soviet Union

Location of the Soviet Union after World War II (dark green)
Location
Country	Soviet Union
Continent	Eurasia
Type	Open
NSN length	8~10
Format	various, see text
Access codes
Country code	+7
International access	8~10
Long-distance	8

The telephone numbering plan of the USSR was a set of telephone area codes, numbers and dialing rules, which operated in the Soviet Union until the 1990s. After the collapse of the USSR, many newly independent republics implemented their own numbering plans. However, many of the principles of the Soviet numbering plan still remain.^{[citation needed]} The former Soviet international code +7 is still retained by Russia and Kazakhstan.