| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 401 | Lautan 91 | Naraingarh S.O | π 134203 | Naraingarh | Post Office - PO |
| 402 | LIC EXEN GEETA SCHOOL SBI CHANDIGARH RAOD | Naraingarh S.O | π 134203 | Ambala | Post Office - PO |
| 403 | Liharsa 54 | Ghail B.O | π 134007 | Ambala | Branch Post Office |
| 404 | Lohgarh 34 | Kakroo B.O | π 134008 | Ambala | Branch Post Office |
| 405 | M/S J K CHEMICAL FACTORY | Kesri S.O | π 133102 | Ambala | Post Office - PO |
| 406 | Mahlan 318 | Saunta BO | π 134008 | Ambala | Branch Post Office |
| 407 | Mahtabgarh 69 | Mehmoodpur B.O | π 133104 | Ambala | Branch Post Office |
| 408 | MAIN BAZAR KESRI | Kesri S.O | π 133102 | Ambala | Post Office - PO |
| 409 | Majra 60 | Nahoni B.O | π 133104 | Naraingarh | Branch Post Office |
| 410 | Majri 184 | Mardon Sahib B.O | π 133004 | Ambala | Branch Post Office |
| 411 | Majri 184 | Tharwa B.O | π 133004 | Ambala | Branch Post Office |
| 412 | Majri 184 | Dhulkot B.O | π 134007 | Ambala | Branch Post Office |
| 413 | Majri S.O | Majri S.O | π 133008 | Ambala | Sub Post Office |
| 414 | Malakpur 238 | Thumber B.O | π 133205 | Barara | Branch Post Office |
| 415 | Malikpur 18 | Mehmoodpur B.O | π 133104 | Ambala | Branch Post Office |
| 416 | Malwa 274 | Kuldeep Nagar S.O | π 133004 | Ambala | Post Office - PO |
| 417 | Manakpur 35 | Kakroo B.O | π 134008 | Ambala | Branch Post Office |
| 418 | Manakpur 93 | Banaundi BO | π 134202 | Naraingarh | Branch Post Office |
| 419 | Manav Mandir Sec-27 28 PKL | Sector - 26 Panchkula S.O | π 134116 | Ambala | Post Office - PO |
| 420 | Mandhaur Part 43 | Mandhaur B.O | π 134007 | Ambala | Branch Post Office |
| 421 | Mandlai | Laha B.O | π 134203 | Naraingarh | Branch Post Office |
| 422 | Mandli 59 | Dhilluwal B.O | π 126111 | Ambala | Branch Post Office |
| 423 | MANGAL PUR KASAIRLA KALAN | Kaserla Kalan B.O | π 133205 | Barara | Branch Post Office |
| 424 | Manglor 257 | Banaundi BO | π 134202 | Naraingarh | Branch Post Office |
| 425 | Manka 178 | Manka Manki B.O | π 133202 | Ambala | Branch Post Office |
| 426 | MANKA MANKI BICKON PUR MILK DHON KOTA BHAGWANPUR | Manka Manki B.O | π 133202 | Ambala | Branch Post Office |
| 427 | Mansurpur 249 | Ambala G.P.O. | π 133001 | Ambala | Head Post Office - H |
| 428 | Manu Majra 237 | Manu Majra B.O | π 133205 | Barara | Branch Post Office |
| 429 | MARDO SAHIB | Mardon Sahib B.O | π 133004 | Ambala | Branch Post Office |
| 430 | Mardon 252 | Mardon Sahib B.O | π 133004 | Ambala | Branch Post Office |
| 431 | Mardon Sahib B.O | Mardon Sahib B.O | π 133008 | Ambala | Branch Post Office |
| 432 | Masatpur 257 | Anaj Mandi S.O (Ambala) | π 134003 | Ambala | Post Office - PO |
| 433 | Matehri Jattan 120 | Jalbera B.O | π 134008 | Ambala | Branch Post Office |
| 434 | Matehri Shekhan 256 | Matheri Sekhan BO | π 134008 | Ambala | Branch Post Office |
| 435 | Maujgarh 212 | Rajouli B.O | π 133201 | Barara | Branch Post Office |
| 436 | MEHMOOD PUR NAGGAL MAHTABGARH TOBA MALIKPUR | Saha S.O | π 133104 | Ambala | Post Office - PO |
| 437 | Mehmudpur 303 | Baknaur BO | π 134008 | Ambala | Branch Post Office |
| 438 | Mehmudpur 71 | Mehmoodpur B.O | π 133104 | Ambala | Branch Post Office |
| 439 | Meranpur 106 | Banaundi BO | π 134202 | Ambala | Branch Post Office |
| 440 | Mianpur 84 | Kathe Majra B.O | π 134203 | Naraingarh | Branch Post Office |
| 441 | Milak Shekhan 205 | Sewan Majra B.O | π 133205 | Barara | Branch Post Office |
| 442 | MILK DAIRY | Kesri S.O | π 133102 | Ambala | Post Office - PO |
| 443 | Milk Part 307 | Naraingarh S.O | π 134203 | Naraingarh | Post Office - PO |
| 444 | MINI DEVI ANGAN BARI CENTRE/ SURINDER KUMARI ANGAN BARI/ BINA RANI ANG | Kesri S.O | π 133102 | Ambala | Post Office - PO |
| 445 | Mirpur 90 | Naraingarh S.O | π 134203 | Naraingarh | Post Office - PO |
| 446 | Mirzapur 167 | Kuldeep Nagar S.O | π 133004 | Ambala | Post Office - PO |
| 447 | Mirzapur 167 | Tharwa B.O | π 133004 | Ambala | Branch Post Office |
| 448 | Mirzapur Kath 292 | Lakhnaura B.O | π 134203 | Naraingarh | Branch Post Office |
| 449 | Mithapur 96 | Tepla B.O | π 133104 | Ambala | Branch Post Office |
| 450 | Miyan Majra 300 | Baknaur BO | π 134008 | Ambala | Branch Post Office |