| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 301 | Kauirik 183/1 | Samdoo BO | 📍 172111 | Spiti (T) | Branch Post Office |
| 302 | Kawaring 7/15 | Kolang BO KEYLONG | 📍 175132 | Lahul (T) | Branch Post Office |
| 303 | Kaza Khas 70/1 | Kaza SO | 📍 172114 | Spiti (T) | Post Office - PO |
| 304 | Kaza Soma 70/2 | Kaza SO | 📍 172114 | Spiti (T) | Post Office - PO |
| 305 | Kee 62/1 | Kee Gompa BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 306 | Kelad 8/3 | Kolang BO KEYLONG | 📍 175132 | Lahul (T) | Branch Post Office |
| 307 | Keuling 74 | Kaza SO | 📍 172114 | Spiti (T) | Post Office - PO |
| 308 | Kewak 13/12 | Gondhla SO | 📍 175140 | Lahul (T) | Post Office - PO |
| 309 | Khangsar 12/8 | Gemour BO | 📍 175132 | Lahul (T) | Branch Post Office |
| 310 | Khangsar 13/3 | Kolang BO KEYLONG | 📍 175132 | Lahul (T) | Branch Post Office |
| 311 | Khangsar 8/4 | Kolang BO KEYLONG | 📍 175132 | Lahul (T) | Branch Post Office |
| 312 | Khanjar 186 | Karpat BO | 📍 175142 | Udaipur (S.T) | Branch Post Office |
| 313 | Khar 142 | Sagnam SO | 📍 172117 | Spiti (T) | Post Office - PO |
| 314 | Kharchud Konma 14/4 | Koksar BO | 📍 175140 | Lahul (T) | Branch Post Office |
| 315 | Kharchud Yongma 14/5 | Koksar BO | 📍 175140 | Lahul (T) | Branch Post Office |
| 316 | Khawagling 13/7 | Sissu BO | 📍 175140 | Lahul (T) | Branch Post Office |
| 317 | Khinang 12/7 | Gondhla SO | 📍 175140 | Lahul (T) | Post Office - PO |
| 318 | Khoksar 14/10 | Koksar BO | 📍 175140 | Lahul (T) | Branch Post Office |
| 319 | Khorpani 12/15 | Gondhla SO | 📍 175140 | Lahul (T) | Post Office - PO |
| 320 | Khurik 78 | Hull BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 321 | Khuruti 1/20 | Jahalman SO | 📍 175139 | Udaipur (S.T) | Post Office - PO |
| 322 | Kiangcha 12/12 | Gondhla SO | 📍 175140 | Lahul (T) | Post Office - PO |
| 323 | Kiber Khas 61/1 | Kibber BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 324 | Kibri 163/3 | Lalung BO | 📍 172113 | Spiti (T) | Branch Post Office |
| 325 | Kilmoor 128/3 | Sagnam SO | 📍 172117 | Spiti (T) | Post Office - PO |
| 326 | Kirkircha 4/4 | Shansha BO | 📍 175133 | Lahul (T) | Branch Post Office |
| 327 | Kirting 4/7 | Shansha BO | 📍 175133 | Lahul (T) | Branch Post Office |
| 328 | Kishori 215 | Trilokinath BO | 📍 175142 | Udaipur (S.T) | Branch Post Office |
| 329 | Kolang 8/2 | Kolang BO KEYLONG | 📍 175132 | Lahul (T) | Branch Post Office |
| 330 | Kong Kong 95 | Mane BO | 📍 172113 | Spiti (T) | Branch Post Office |
| 331 | Kothi 3/2 | Jahalman SO | 📍 175139 | Lahul (T) | Post Office - PO |
| 332 | Koumik 69 | Hikkam BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 333 | Krozing 6/1 | Malang BO | 📍 175132 | Lahul (T) | Branch Post Office |
| 334 | Kuang 1/15 | Mooring BO | 📍 175139 | Udaipur (S.T) | Branch Post Office |
| 335 | Kuang Khas 76/1 | Kaza SO | 📍 172114 | Spiti (T) | Post Office - PO |
| 336 | Kun 180/3 | Gue BO | 📍 172111 | Spiti (T) | Branch Post Office |
| 337 | Kunge 154 | Dhanker BO | 📍 172113 | Spiti (T) | Branch Post Office |
| 338 | Kungri 97 | Gulling BO | 📍 172117 | Spiti (T) | Branch Post Office |
| 339 | Kurched 140 | Salugran BO | 📍 175142 | Udaipur (S.T) | Branch Post Office |
| 340 | Kyamo 42 | Hull BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 341 | Kyato 46 | Hansa BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 342 | Kyelang 7/2 | Keylong HO | 📍 175132 | Lahul (T) | Head Post Office - H |
| 343 | Kyor 7/10 | Yurnath BO | 📍 175132 | Lahul (T) | Branch Post Office |
| 344 | Labrang 13/9 | Sissu BO | 📍 175140 | Lahul (T) | Branch Post Office |
| 345 | Ladarcha 56/2 | Kibber BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 346 | Lahul T | Keylong HO | 📍 175132 | Lahul (T) | Head Post Office - H |
| 347 | Laling 14/7 | Koksar BO | 📍 175140 | Lahul (T) | Branch Post Office |
| 348 | Lalung Khas 163/1 | Lalung BO | 📍 172113 | Spiti (T) | Branch Post Office |
| 349 | Landupdeen 166 | Hikkam BO | 📍 172114 | Spiti (T) | Branch Post Office |
| 350 | Langja 66 | Hikkam BO | 📍 172114 | Spiti (T) | Branch Post Office |