| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 151 | Kamir | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 152 | Kamrung | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 153 | Kanabu | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 154 | Karoi | Saglee BO | π 791112 | Sagalee Circle | Branch Post Office |
| 155 | KHARSANG SO | KHARSANG SO | π 792124 | Papum Pare | Sub Post Office |
| 156 | Kharsingasa Complex | Banderdewa S.O | π 791123 | Naharlagun Circle | Post Office - PO |
| 157 | Kharsingasa Village | Banderdewa S.O | π 791123 | Naharlagun Circle | Post Office - PO |
| 158 | Khating Hill | Ram Krishna Mission S.O | π 791113 | Itanagar Circle | Post Office - PO |
| 159 | Kheel | Kheel B.O | π 791112 | Toru Circle | Branch Post Office |
| 160 | Khemling | Saglee BO | π 791112 | Sagalee Circle | Branch Post Office |
| 161 | Khud | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |
| 162 | Khyate | Saglee BO | π 791112 | Sagalee Circle | Branch Post Office |
| 163 | Khyunglo | Saglee BO | π 791112 | Toru Circle | Branch Post Office |
| 164 | Kidding | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 165 | Kimin Circle | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |
| 166 | Kimin H Q | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |
| 167 | Kimin Model Village | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |
| 168 | Kochubari | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 169 | Kokila | Kokila B.O | π 791123 | Balijan Circle | Branch Post Office |
| 170 | Kokila staff forest camp | Kokila B.O | π 791123 | Balijan Circle | Branch Post Office |
| 171 | Komasiki | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |
| 172 | Kuksing Luk Sing | Saglee BO | π 791112 | Toru Circle | Branch Post Office |
| 173 | Kullung | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 174 | Kusu | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 175 | Lakiang | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 176 | Lamte | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 177 | Langdang | Saglee BO | π 791112 | Leporiang Circle | Branch Post Office |
| 178 | Langdang | Langdang | π 791114 | Papum Pare | Branch Post Office |
| 179 | Langding | Saglee BO | π 791112 | Leporiang Circle | Branch Post Office |
| 180 | Langruk | Saglee BO | π 791112 | Leporiang Circle | Branch Post Office |
| 181 | Lanka | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 182 | Lao | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 183 | Laptap | Saglee BO | π 791112 | Toru Circle | Branch Post Office |
| 184 | Lekha | Doimukh S.O | π 791112 | Doimukh Circle | Post Office - PO |
| 185 | Lekhi | Doimukh S.O | π 791112 | Doimukh Circle | Post Office - PO |
| 186 | Lekhi Village | Model Village B.O | π 791110 | Naharlagun Circle | Branch Post Office |
| 187 | Leng Dung | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 188 | Lengik | Ranga Nadi Project S.O | π 791119 | Mengio Circle | Post Office - PO |
| 189 | Lengke | Balijan B.O | π 791123 | Balijan Circle | Branch Post Office |
| 190 | Leporiang Circle | Saglee BO | π 791112 | Leporiang Circle | Branch Post Office |
| 191 | Leporiang H Q | Saglee BO | π 791112 | Leporiang Circle | Branch Post Office |
| 192 | Leporiang H.Q. | Leporiang H.Q. | π 791114 | Papum Pare | Branch Post Office |
| 193 | Ligaloya 6 KM Village | Itanagar H.O | π 791111 | Itanagar Circle | Head Post Office - H |
| 194 | Lobi Colony | Ram Krishna Mission S.O | π 791113 | Itanagar Circle | Post Office - PO |
| 195 | Lobi Dariya | Ram Krishna Mission S.O | π 791113 | Itanagar Circle | Post Office - PO |
| 196 | Longchung | Saglee BO | π 791112 | Sagalee Circle | Branch Post Office |
| 197 | Longpak | Saglee BO | π 791112 | Sagalee Circle | Branch Post Office |
| 198 | Longte Tapu | Saglee BO | π 791112 | Leporiang Circle | Branch Post Office |
| 199 | Lora - I & II | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |
| 200 | Lower Jumi | Kimin S.O | π 791121 | Kimin Circle | Post Office - PO |