| Postal Code | Locality / District | Administrative Area | Coordinates |
|---|---|---|---|
| Bayan-Ovoo | Altay District · Govĭ-Altay Aymag | 44.61667, 94.91667 | |
| Altay | Altay District · Govĭ-Altay Aymag | 44.91667, 95.41667 | |
| Bayan | Bayan-Uul · Govĭ-Altay Aymag | 46.9929, 95.19962 | |
| Ovoot | Bayan-Uul · Govĭ-Altay Aymag | 46.6, 94.83333 | |
| Mogoyn Hüryee | Bayan-Uul · Govĭ-Altay Aymag | 47.08333, 95.08333 | |
| Hujirtayn Örtöö | Bayan-Uul · Govĭ-Altay Aymag | 46.7, 95.45 | |
| Bichigt | Bayan-Uul · Govĭ-Altay Aymag | 47.1, 95.06667 | |
| Bandan Dashiling Hüryee | Bayan-Uul · Govĭ-Altay Aymag | 46.86667, 95.46667 | |
| Jargalant | Biger · Govĭ-Altay Aymag | 45.70954, 97.17596 | |
| Tergetiin Bayshing | Biger · Govĭ-Altay Aymag | 45.63333, 97.33333 | |
| Namaldzaagiin Dugang | Biger · Govĭ-Altay Aymag | 45.81667, 96.73333 | |
| Jirgalantayn Datsang | Biger · Govĭ-Altay Aymag | 45.71667, 97.16667 | |
| Khurkhurogiin Khure | Biger · Govĭ-Altay Aymag | 45.63333, 97.63333 | |
| Bayan Buuraliin Hüryee | Biger · Govĭ-Altay Aymag | 45.81667, 97.0 | |
| Bayangol | Bugat · Govĭ-Altay Aymag | 45.55655, 94.36449 | |
| Tsetserligiin Bayshing | Bugat · Govĭ-Altay Aymag | 45.8, 94.4 | |
| Hayrhan | Bugat · Govĭ-Altay Aymag | 45.16667, 93.58333 | |
| Bij-Altay | Bugat · Govĭ-Altay Aymag | 45.55, 93.75 | |
| Talshand | Chandmanĭ · Govĭ-Altay Aymag | 45.33333, 97.98333 | |
| Öldzeyte Bulagiin Hiid | Chandmanĭ · Govĭ-Altay Aymag | 45.46667, 98.23333 | |
| Darvi | Darvi District · Govĭ-Altay Aymag | 46.45, 94.11667 | |
| Darhan Puntsag Bayshing | Darvi District · Govĭ-Altay Aymag | 46.53333, 94.05 | |
| Darhan Guunii Datsang | Darvi District · Govĭ-Altay Aymag | 46.41667, 94.43333 | |
| Dalan Türüü Örtöö | Darvi District · Govĭ-Altay Aymag | 46.75, 94.5 | |
| Taygan | Delger · Govĭ-Altay Aymag | 46.35356, 97.36633 | |
| Üneen-Us | Delger · Govĭ-Altay Aymag | 46.05, 97.85 | |
| Guulin | Delger · Govĭ-Altay Aymag | 46.5, 97.16667 | |
| Buga | Dörvöljin District · Govĭ-Altay Aymag | 47.65013, 95.0005 | |
| Dörvöljin | Dörvöljin District · Govĭ-Altay Aymag | 47.6461, 95.01056 | |
| Sangiyn Dalay | Erdene · Govĭ-Altay Aymag | 45.13333, 97.75 | |
| Tsagaan-Uul | Erdene · Govĭ-Altay Aymag | 44.96667, 98.03333 | |
| Sangiin Dalayn Hüryee | Erdene · Govĭ-Altay Aymag | 45.15, 97.76667 | |
| Haliun | Haliun District · Govĭ-Altay Aymag | 45.9296, 96.16239 | |
| Tsetserengiin Dugang | Haliun District · Govĭ-Altay Aymag | 45.75, 96.5 | |
| Sayn-Ust | Höhmorĭt District · Govĭ-Altay Aymag | 47.35732, 94.52448 | |
| Höhmorĭt | Höhmorĭt District · Govĭ-Altay Aymag | 47.3595, 94.53334 | |
| Buyanbat | Jargalan · Govĭ-Altay Aymag | 46.97838, 95.92532 | |
| Hongoriin Hüryee | Jargalan · Govĭ-Altay Aymag | 46.8, 96.0 | |
| Hayaagiin Bayshing | Jargalan · Govĭ-Altay Aymag | 46.95, 96.0 | |
| Hasagt | Jargalan · Govĭ-Altay Aymag | 46.55, 95.66667 | |
| Dashi Choyling Hüryee | Jargalan · Govĭ-Altay Aymag | 46.55, 95.7 | |
| Büren | Jargalan · Govĭ-Altay Aymag | 47.26667, 95.93333 | |
| Araiin Hüryee | Jargalan · Govĭ-Altay Aymag | 46.85, 95.73333 | |
| Sharga | Sharga District · Govĭ-Altay Aymag | 46.25, 95.26667 | |
| Türgen | Sharga District · Govĭ-Altay Aymag | 45.81667, 95.25 | |
| Sundalta Bayshing | Sharga District · Govĭ-Altay Aymag | 46.18333, 95.13333 | |
| Ögöömöriin Bayshing | Sharga District · Govĭ-Altay Aymag | 46.01667, 95.08333 | |
| Dashi Dorjiin Datsang | Sharga District · Govĭ-Altay Aymag | 46.16667, 95.5 | |
| Boro Üdzüüriin Subarga | Sharga District · Govĭ-Altay Aymag | 46.16667, 95.36667 | |
| Bayan | Sharga District · Govĭ-Altay Aymag | 46.1, 95.61667 | |
| Tsagaan-Olom | Tayshir · Govĭ-Altay Aymag | 46.71327, 96.52588 | |
| Narabanchinii Hüryee | Tayshir · Govĭ-Altay Aymag | 46.7, 96.83333 | |
| Dzüyl | Tonhil · Govĭ-Altay Aymag | 46.30686, 93.90409 | |
| Tamch | Tonhil · Govĭ-Altay Aymag | 46.1, 93.88333 | |
| Hüytenii Jisa | Tonhil · Govĭ-Altay Aymag | 46.5, 93.66667 | |
| Dzüyliin Hüryee | Tonhil · Govĭ-Altay Aymag | 46.3, 93.9 | |
| Tseel | Tseel District · Govĭ-Altay Aymag | 45.56667, 95.86667 | |
| Bayangol | Tseel District · Govĭ-Altay Aymag | 45.53333, 95.31667 | |
| Tahilt | Tsogt · Govĭ-Altay Aymag | 45.3466, 96.6457 | |
| Tögörigiin Hüryee | Tsogt · Govĭ-Altay Aymag | 45.33333, 96.66667 | |
| Suhaytayn Bulag | Tsogt · Govĭ-Altay Aymag | 45.06667, 96.63333 | |
| Salgar | Tsogt · Govĭ-Altay Aymag | 44.91667, 96.75 | |
| Dzahuy | Tsogt · Govĭ-Altay Aymag | 44.95, 96.6 | |
| Dara Eheiin Jisa | Tsogt · Govĭ-Altay Aymag | 44.9, 96.71667 | |
| Tögrög | Tögrög District · Govĭ-Altay Aymag | 45.82976, 94.81544 | |
| Urda Goliin Bayshing | Tögrög District · Govĭ-Altay Aymag | 45.98333, 94.7 | |
| Tögörigiin Bayshing | Tögrög District · Govĭ-Altay Aymag | 45.81667, 94.8 | |
| Shara Belchiriin Bayshing | Tögrög District · Govĭ-Altay Aymag | 45.6, 95.26667 | |
| Naran | Yesönbulag · Govĭ-Altay Aymag | 46.1, 96.5 | |
| Hamba Gegeenii Hüryee | Yesönbulag · Govĭ-Altay Aymag | 46.08333, 96.25 | |
| Altai | Yösönbulag · Govĭ-Altay Aymag | 46.37222, 96.25833 | |
| Tümen | Yösönbulag · Govĭ-Altay Aymag | 46.33333, 96.28333 | |
| Mogoyn Bayshing | Yösönbulag · Govĭ-Altay Aymag | 46.36667, 95.81667 |
Postal code prefix 20 in Mongolia covers 71 localities (primarily in Govĭ-Altay Aymag, including Bayan-Ovoo), spanning from 200000 to 201902.
There are 73 active postal codes starting with 20 in Mongolia. Use the interactive directory table above to filter by locality or copy any code in one click.