| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 301 | IMPAKAR FACTORY | Pali BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 302 | IMT COLLEGE | Baroli BO | 📍 121004 | Faridabad | Branch Post Office |
| 303 | INDERA AWAS YOJNA | Sagarpur BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 304 | INDRA COLONY | Pali BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 305 | indranagar | Amroli BO | 📍 121102 | Palwal | Branch Post Office |
| 306 | INDRAPRASTHA COLONY | Pali BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 307 | ISHWAR INSTITUTE | Alipur BO | 📍 121101 | Ballabgarh | Branch Post Office |
| 308 | J B KNOWLEDGE PARK INSTITUTE | Manjhawali BO | 📍 121101 | Ballabgarh | Branch Post Office |
| 309 | Jafarpur Majra Chhainsa 199 | Chhainsa BO | 📍 121103 | Ballabgarh | Branch Post Office |
| 310 | Jafarpur Majra Gharora 105 | Ballabgarh SO | 📍 121004 | Ballabgarh | Post Office - PO |
| 311 | JAGRITI COLLEGE | Mohna BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 312 | JAI CHAND FARM HOUSE | Manjhawali BO | 📍 121101 | Ballabgarh | Branch Post Office |
| 313 | JAILDARPATTI | Tigaon SO | 📍 121101 | Faridabad | Post Office - PO |
| 314 | Jaindapur 16 | Jaindapur BO | 📍 121102 | Palwal | Branch Post Office |
| 315 | Jainpur 220 | Madnaka BO | 📍 121103 | Hathin | Branch Post Office |
| 316 | JAJRU | Sagarpur BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 317 | Jajru 52 | Sagarpur BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 318 | Jalalpur Hathin 270 | Malai BO | 📍 121103 | Hathin | Branch Post Office |
| 319 | Jalalpur Khalsa 31 | Aharwan BO | 📍 121102 | Palwal | Branch Post Office |
| 320 | Jalalpur Muafi 121 | Marraoli BO | 📍 121106 | Hodal | Branch Post Office |
| 321 | Janacholi 221 | Madnaka BO | 📍 121103 | Hathin | Branch Post Office |
| 322 | Janauli 45 | Janauli BO | 📍 121102 | Palwal | Branch Post Office |
| 323 | JARALI | Rupraka BO | 📍 121103 | Hathin | Branch Post Office |
| 324 | JARJABAD | Gulawad BO | 📍 121107 | Hodal | Branch Post Office |
| 325 | Jasana 110 | Badarpur Syed BO | 📍 121101 | Faridabad | Branch Post Office |
| 326 | Jataula 48 | Asaoti BO | 📍 121102 | Palwal | Branch Post Office |
| 327 | Jatoli 114 | Hassanpur SO | 📍 121107 | Hodal | Post Office - PO |
| 328 | JAVAHAR NAVODYA VIDYALAYA MOTHUKA | Chandpur BO | 📍 121101 | Ballabgarh | Branch Post Office |
| 329 | Jawan 59 | Ballabgarh SO | 📍 121004 | Ballabgarh | Post Office - PO |
| 330 | JEET SINGH NANGLA | Mohna BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 331 | JEEWAN NAGAR | Gonchhi BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 332 | JEEWAN NAGAR PT-II | Gonchhi BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 333 | JEEWAN SINGH DHANI | Mohna BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 334 | JHUNDWAS | Hassanpur SO | 📍 121107 | Hodal | Post Office - PO |
| 335 | JHUPPA NANGLA | Mohna BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 336 | Jodhpur 78 | Palwal SO | 📍 121102 | Palwal | Post Office - PO |
| 337 | JOHAR KHERA | Mandkola BO | 📍 121103 | Hathin | Branch Post Office |
| 338 | Junehera 87 | Kurali BO | 📍 121101 | Ballabgarh | Branch Post Office |
| 339 | JUNHERA ROAD | Tigaon SO | 📍 121101 | Faridabad | Post Office - PO |
| 340 | JYOTI BHATTA | Deeg BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 341 | JYOTI VIDYA MANDIR SR SEC SCHOOL | Tigaon SO | 📍 121101 | Faridabad | Post Office - PO |
| 342 | KABADA MARKET | Gonchhi BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 343 | Kabulpur Bangar 39 | Fatehpur Tagga BO | 📍 121004 | Ballabgarh | Branch Post Office |
| 344 | KABULPUR KHADAR | Bhuvapur BO | 📍 121101 | Faridabad | Branch Post Office |
| 345 | Kabulpur Patti Mahtab 170 | Fatehpur Tagga BO | 📍 121004 | Faridabad | Branch Post Office |
| 346 | KABULPUR-2 | Bhuvapur BO | 📍 121101 | Faridabad | Branch Post Office |
| 347 | Kadhaoli 50 | Ballabgarh SO | 📍 121004 | Ballabgarh | Post Office - PO |
| 348 | Kail Gaon 51 | Ballabgarh SO | 📍 121004 | Ballabgarh | Post Office - PO |
| 349 | Kairaka 25 | Palwal SO | 📍 121102 | Palwal | Post Office - PO |
| 350 | Kakrali 69 | Palwal SO | 📍 121102 | Palwal | Post Office - PO |