The post index number is the post office numbering that is used by the Indian Post. Every pin code consists of eight digits; the first digit indicates the region. The second digit indicates the sub-region, and the third digit indicates the sorting district within the region and the final three digits indicate the respective post offices. ‘2’ is the first digit of pin codes in Uttarakhand and the first three digits of the regions in Dehradun are ‘248’.Following is the complete list of Dehradun Pin Codes:
| Location | Pin Code |
| Ambari | 248125 |
| Ambiwala | 248007 |
| Anarwala | 248003 |
| Anu | 248199 |
| Araghar | 248001 |
| Arahat Bazar | 248001 |
| Arkediagrant | 248007 |
| Ashok Ashram | 248125 |
| Ashutoshnagar | 249201 |
| Atal | 248199 |
| Badho | 248252 |
| Badogal | 248143 |
| Badonwala | 248140 |
| Badripur | 248005 |
| Baila | 248196 |
| Balawala (edso) | 248161 |
| Ballupur Ndso | 248001 |
| Banjarawala | 248001 |
| Barasi | 248008 |
| Barlowganj | 248122 |
| Barontha | 248124 |
| Barwa | 248197 |
| Bhagwantpur | 248009 |
| Bhagwat | 248199 |
| Bhandrauli | 248123 |
| Bhaniawala (edso) | 248161 |
| Bhauwala | 248007 |
| Bhogpur So | 248143 |
| Bidholi | 248007 |
| Bijau | 248252 |
| Birmau | 248196 |
| Birnad | 248199 |
| Bullard | 248196 |
| Bullawala | 248140 |
| Cannaught Place | 248001 |
| Cda(a.f) | 248001 |
| Chakrata | 248123 |
| Chandanwari | 248007 |
| Chauki Dhaulas | 248141 |
| Chharba | 248197 |
| Chhibroo Edso | 248164 |
| Chhiddarwala | 249204 |
| Chilhar | 248199 |
| Clementtown So | 248002 |
| Dakpathar Lsg | 248125 |
| Dakra | 248003 |
| Dalanwala | 248001 |
| Dandi | 248145 |
| Dangutha | 248199 |
| Darmigad | 248199 |
| Dassau | 248196 |
| Datnu | 248196 |
| Dawla | 248124 |
| Defence Colony | 248001 |
| Dehradun Cantt Ho | 248003 |
| Dehradun City Lsg | 248001 |
| Dehradun Gpo | 248001 |
| Dehradun Kty Lsg | 248001 |
| Dessau | 248165 |
| Dhakrani Edso | 248167 |
| Dhalipur | 248142 |
| Dharkot | 248143 |
| Dharmawala | 248142 |
| Dilaram Bazar | 248001 |
| Dimau | 248165 |
| Dobhri | 248197 |
| Dodhli | 248140 |
| Doiwala Bazar | 248140 |
| Dungiara | 248123 |
| Dwara | 248008 |
| Fanar | 248199 |
| Fatehpur Tanda | 248140 |
| Gadsar | 248124 |
| Gangroo | 248252 |
| Ghangora | 248141 |
| Ghanta | 248123 |
| Govindgarh | 248001 |
| Ghanta | 248123 |
| Gujrara | 248001 |
| Gumaniwala | 249204 |
| Haldwari | 248143 |
| Haripur | 248159 |
| Haripur Kalan | 249205 |
| Harrawala (edso) | 248160 |
| Hathi Barkala | 248001 |
| Hathi Barkala Estate | 248001 |
| Hathipaon | 248179 |
| Haza | 248196 |
| Horrawala | 248197 |
| I.i.p. | 248005 |
| I.m.a. | 248007 |
| I.n.c. | 248006 |
| I.p.e. | 248195 |
| Ichhari | 248165 |
| Ithrana | 248143 |
| Jaddi | 248123 |
| Jakhnilani | 248199 |
| Jassowala | 248142 |
| Jhajra | 248007 |
| Jhanda Bazar | 248001 |
| Jissau | 248165 |
| Jogio | 248124 |
| Jolly Grant | 248140 |
| K.p.kshetra Edso | 248202 |
| Kailana | 248123 |
| Kainchiwala | 248197 |
| Kamla | 248252 |
| Kandoi | 248124 |
| Kandoli | 248001 |
| Kandoli Bharam | 248199 |
| Kanwali | 248001 |
| Kanwali Road | 248001 |
| Karanpur | 248001 |
| Karbari Grant | 248007 |
| Kata Pathar | 248125 |
| Kathang | 248199 |
| Kaulagarh | 248003 |
| Kedarwala | 248197 |
| Khabau | 248124 |
| Khadar | 248159 |
| Khairi | 248140 |
| Khamrauli | 248196 |
| Kharora | 248123 |
| Kharsi | 248124 |
| Khurbura | 248001 |
| Kingcraig | 248179 |
| Kirar | 248199 |
| Kishanpur Edso | 248001 |
| Korwa Edso | 248119 |
| Kota | 248124 |
| Kothi | 248196 |
| Kulhal Edso | 248148 |
| Kulhan | 248001 |
| Kunawa | 248123 |
| Kunna | 248124 |
| Kuwanoo | 248196 |
| Kyari | 248252 |
| Lachhiwala | 248140 |
| Lakhamandal | 248124 |
| Lakhwar | 248252 |
| Laksyar | 248252 |
| Landaur | 248179 |
| Landaur Cantt. | 248179 |
| Langha | 248125 |
| Lohari | 248252 |
| Lorli | 248123 |
| Ludhera | 248252 |
| Madrasu | 248125 |
| Maldevta | 248008 |
| Maletha | 248196 |
| Manduwala | 248007 |
| Markhamgarant | 248140 |
| Marlau | 248123 |
| Masak | 248123 |
| Matiyawa | 248123 |
| Mehuwala | 248171 |
| Mendrath | 248199 |
| Mindal | 248123 |
| Mohbewala Edso | 248110 |
| Mothrowala Edso | 248115 |
| Mundhan | 248252 |
| Mundhol | 248199 |
| Mussoorie Hsg-ii | 248179 |
| Myunda | 248124 |
| Naa | 248179 |
| Nada | 248124 |
| Nagal Bulandawala | 248140 |
| Nagal Jwalapur | 248140 |
| Nagau | 248123 |
| Nagthat | 248252 |
| Nakronda | 248008 |
| Naraya | 248196 |
| Nathuwala | 248008 |
| Nawada | 248005 |
| Nayagaon | 248007 |
| Nehrugram Edso | 248010 |
| Neshvilla Road | 248001 |
| Newforest | 248006 |
| Nivh Edso | 248001 |
| Pachhmiwala | 248198 |
| Panditwari | 248007 |
| Patel Nagar | 248001 |
| Pingua | 248199 |
| Pondha | 248007 |
| Prem Nagar Ldg | 248007 |
| Railway Road Rishikesh | 249201 |
| Raipur(o.f) Lsg | 248008 |
| Rajawala | 248007 |
| Rani Pokhari | 248145 |
| Ranjhawala Edso | 248126 |
| Refugee Camp | 248007 |
| Resham Majri | 248140 |
| Rishikesh Mdg | 249201 |
| Rispana | 248001 |
| Sabhawala | 248197 |
| Sahstradhara Edso | 248102 |
| Samalta | 248196 |
| Sangaon | 248143 |
| Sarona | 248001 |
| Saura Sarauli | 248008 |
| Savoy Hotel | 248179 |
| Sayedwala | 248001 |
| Seemadwar | 248146 |
| Selakui | 248197 |
| Shahanshahi Ashram | 248009 |
| Shamshergarh | 248001 |
| Sherpur | 248197 |
| Sinola | 248003 |
| Subhash Bankhandi | 249201 |
| Subhashnagar | 248002 |
| Sujau | 248123 |
| Tapovan | 248008 |
| Telbhawan | 248003 |
| Thaina | 248252 |
| Thano | 248143 |
| Tilwari | 248197 |
| Timli | 248142 |
| Tungra | 248123 |
| Tunwala | 248005 |
| Turner Road | 248002 |
| Ubhreau | 248165 |
| Umedpur | 248007 |
| Vikasnagar Lsg | 248198 |
| Virbhadra Lsg | 249202 |
| Wht-i | 248198 |
| Wht-ii | 248142 |