| Sr. | City Name (State) | STD Code |
| 1 | Dehradun (Uttarakhand) | 0135 |
| 2 | Roorkee-I (Uttarakhand) | 01332 |
| 3 | Roorkee-II (Uttarakhand) | 01334 |
| 4 | Pauri-II (Uttarakhand) | 01346 |
| 5 | Lansdown-III (Uttarakhand) | 01348 |
| 6 | Chakrata (Uttarakhand) | 01360 |
| 7 | Karan Prayag (Uttarakhand) | 01363 |
| 8 | Ukhimath (Uttarakhand) | 01364 |
| 9 | Pauri-I (Uttarakhand) | 01368 |
| 10 | Deoprayag-II (Uttarakhand) | 01370 |
| 11 | Dunda (Uttarakhand) | 01371 |
| 12 | Chamoli (Uttarakhand) | 01372 |
| 13 | Purola (Uttarakhand) | 01373 |
| 14 | Bhatwari-I (Uttarakhand) | 01374 |
| 15 | Rajgarh (Uttarakhand) | 01375 |
| 16 | Tehri (Uttarakhand) | 01376 |
| 17 | Bhatwari-II (Uttarakhand) | 01377 |
| 18 | Deoprayag-I (Uttarakhand) | 01378 |
| 19 | Partapnagar (Uttarakhand) | 01379 |
| 20 | Joshimath-II (Uttarakhand) | 01381 |
| 21 | Lansdown-II (Uttarakhand) | 01382 |
| 22 | Lansdown-I (Uttarakhand) | 01386 |
| 23 | Joshimath-I (Uttarakhand) | 01389 |
| 24 | Nainital (Uttarakhand) | 05942 |
| 25 | Khatima-I (Uttarakhand) | 05943 |
| 26 | Kichha-I (Uttarakhand) | 05944 |
| 27 | Haldwani-II (Uttarakhand) | 05945 |
| 28 | Haldwani-I (Uttarakhand) | 05946 |
| 29 | Kashipur (Uttarakhand) | 05947 |
| 30 | Khatima-II (Uttarakhand) | 05948 |
| 31 | Kichha-II (Uttarakhand) | 05949 |
| 32 | Munsiari (Uttarakhand) | 05961 |
| 33 | Almora (Uttarakhand) | 05962 |
| 34 | Bageshwar (Uttarakhand) | 05963 |
| 35 | Pithoragarh (Uttarakhand) | 05964 |
| 36 | Champawat (Uttarakhand) | 05965 |
| 37 | Ranikhet (Uttarakhand) | 05966 |
| 38 | Dharchula (Uttarakhand) | 05967 |