1 zone
Moscow region, North-West and North parts of European Russia:
- 101 to 129 —Moscow
- 140 to 142 & 144 —Moscow Oblast
- 150,152—Yaroslavl Oblast
- 153—Ivanovo Oblast
- 156—Kostroma Oblast
- 160 to 162—Vologda Oblast
- 163—Arkhangelsk Oblast
- 166—Nenets Autonomous Okrug
- 167 to 169—Komi Republic
- 170—Tver Oblast
- 173—Novgorod Oblast
- 180—Pskov Oblast
- 183,184 —Murmansk Oblast
- 185,186—Republic of Karelia
- 187 to 188—Leningrad Oblast
- 190 to 199 —Saint Petersburg
2 zone
Remainder of the wider Soviet postal zone that included also Belarus and part of Ukraine:
- 214—Smolensk Oblast
- 236—Kaliningrad Oblast
- 241—Bryansk Oblast
- 248—Kaluga Oblast
3 zone
North Caucasus and South-West of European Russia. Included also South Caucasus republics and Eastern Ukraine in the past.
- 300,301 —Tula Oblast
- 302—Oryol Oblast
- 305—Kursk Oblast
- 308—Belgorod Oblast
- 344—Rostov Oblast
- 350—Krasnodar Krai
- 355—Stavropol Krai
- 358,359—Kalmykia|Republic of Kalmykia
- 360,361—Kabardino-Balkaria|Kabardino-Balkar Republic
- 362,363—North Ossetia-Alania|Republic of North Ossetia-Alania
- 364—Chechnya|Chechen Republic
- 367 to 368 —Republic of Dagestan
- 369 —Karachay-Cherkessia|Karachay-Cherkess Republic
- 386 —Ingushetia|Republic of Ingushetia
- 390—Ryazan Oblast
- 392—Tambov Oblast
- 394,396,397—Voronezh Oblast
- 398—Lipetsk Oblast
4 zone
Volga region and Southern Urals. Included also Central Asia in Soviet period:
- 400,403,404 —Volgograd Oblast
- 410—Saratov Oblast
- 414—Astrakhan Oblast
- 420—Tatarstan|Republic of Tatarstan
- 424,425—Mari El|Mari El Republic
- 426—Udmurtia|Republic of Udmurtia
- 428—Chuvash Republic
- 430,431—Mordovia|Republic of Mordovia
- 432—Ulyanovsk Oblast
- 440—Penza Oblast
- 443—Samara Oblast
- 450,452,453 —Bashkortostan|Republic of Bashkortostan
- 454—Chelyabinsk Oblast
- 460—Orenburg Oblast
5 zone
The code 555 is reserved for international mail.
6 zone
All regions of Asian Russia, Northern Urals and some regions along Vladimir-N. Novgorod-Kirov-Perm railway.
- 600, 601, 602—Vladimir Oblast
- 603, 606, 607 —Nizhny Novgorod Oblast
- 610—Kirov Oblast
- 614—Perm Oblast
- 619—Komi-Permyak Okrug
- 620—Sverdlovsk Oblast
- 625—Tyumen Oblast
- 628—Khanty-Mansi Autonomous Okrug
- 629—Yamalo-Nenets Autonomous Okrug
- 630—Novosibirsk Oblast
- 634—Tomsk Oblast
- 640—Kurgan Oblast
- 644—Omsk Oblast
- 647—Taymyr Autonomous Okrug
- 648—Evenk Autonomous Okrug
- 649—Altai Republic
- 650—Kemerovo Oblast
- 655—Khakassia|Republic of Khakassia
- 656—Altai Krai
- 660—Krasnoyarsk Krai
- 664,665—Irkutsk Oblast
- 667—Tuva|Tuva Republic
- 669—Ust-Orda Buryat Autonomous Okrug
- 670,671 —Republic of Buryatia|Buryat Republic
- 672—Chita Oblast
- 675—Amur Oblast
- 677,678—Sakha Republic
- 679—Jewish Autonomous Oblast
- 680—Khabarovsk Krai
- 683—Kamchatka
- 685—Magadan Oblast
- 687—Agin-Buryat Autonomous Okrug
- 688—Koryak Autonomous Okrug
- 689—Chukotka Autonomous Okrug
- 690—Primorsky Krai
- 693—Sakhalin Oblast