| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 351 | Kundaveli West | Kundaveli BO | 📍 612903 | Udayarpalayam | Branch Post Office |
| 352 | kunjuveli | Kunamangalam BO | 📍 621701 | Udayarpalayam | Branch Post Office |
| 353 | Kunthapuram | Kilakavattankurichi BO | 📍 621715 | Ariyalur | Branch Post Office |
| 354 | Kurichi | Idanganni BO | 📍 612904 | Udayarpalayam | Branch Post Office |
| 355 | Kurichi natham | Siruvalur BO | 📍 621704 | Ariyalur | Branch Post Office |
| 356 | Kurichikulam | Asaveerankudikadu SO | 📍 621719 | Sendurai | Post Office - PO |
| 357 | Kuriyampatti | Ilaiyur BO | 📍 621806 | Udayarpalayam | Branch Post Office |
| 358 | Kurunaipadi | Allinagaram BO | 📍 621713 | Ariyalur | Branch Post Office |
| 359 | Kusalaganpatti | Ponparappi SO | 📍 621710 | Sendurai | Post Office - PO |
| 360 | Kuttakarai | Silambur BO | 📍 608901 | Udayarpalayam | Branch Post Office |
| 361 | Kuttakarai | Kattagaram BO | 📍 612903 | Udayarpalayam | Branch Post Office |
| 362 | Kuttakarai | Muthuservaimadam BO | 📍 612903 | Udayarpalayam | Branch Post Office |
| 363 | Kuvagam | Kuvagam BO | 📍 621710 | Udayarpalayam | Branch Post Office |
| 364 | Kuvagam RF | Kuvagam BO | 📍 621710 | Udayarpalayam | Branch Post Office |
| 365 | Kuyavankuppam | Vanavanallur BO | 📍 612901 | Udayarpalayam | Branch Post Office |
| 366 | Kuzhathukuppam | Kottiyal BO | 📍 612904 | Udayarpalayam | Branch Post Office |
| 367 | KV nallur | Muthuservaimadam BO | 📍 612903 | Udayarpalayam | Branch Post Office |
| 368 | Lalgudiyar chatram | Kallankurichi SO | 📍 621705 | Ariyalur | Post Office - PO |
| 369 | Lingathadimedu | Lingathadimedu BO | 📍 621705 | Ariyalur | Branch Post Office |
| 370 | Madanathur RF | Vazhaikurichi BO | 📍 612904 | Udayarpalayam | Branch Post Office |
| 371 | Madhapuram | Kalleri BO | 📍 621803 | Udayarpalayam | Branch Post Office |
| 372 | Madura nagar | Dalavoy BO | 📍 621730 | Ariyalur | Branch Post Office |
| 373 | Mahalingapuram | Rajajinagar SO Ariyalur | 📍 621713 | Ariyalur | Post Office - PO |
| 374 | Mahimaipuram | Kilakudiyiruppu BO | 📍 621802 | Udayarpalayam | Branch Post Office |
| 375 | Makkikulam | Peraiyur BO | 📍 621713 | Ariyalur | Branch Post Office |
| 376 | Mala kottai | Managethi BO | 📍 621804 | Udayarpalayam | Branch Post Office |
| 377 | Malathankulam | Malathankulam BO | 📍 621707 | Ariyalur | Branch Post Office |
| 378 | Malavalli | Ilaiyur BO | 📍 621806 | Udayarpalayam | Branch Post Office |
| 379 | Malavarayanallur | Kadambur BO | 📍 621701 | Udayarpalayam | Branch Post Office |
| 380 | Maligaimodu | Ulkottai SO | 📍 612905 | Udayarpalayam | Post Office - PO |
| 381 | Mallur | Varanavasi BO | 📍 621704 | Ariyalur | Branch Post Office |
| 382 | Managethi | Managethi BO | 📍 621804 | Udayarpalayam | Branch Post Office |
| 383 | Managethi RF | Managethi BO | 📍 621804 | Udayarpalayam | Branch Post Office |
| 384 | Manakarai | Chinnavalayam BO | 📍 621802 | Udayarpalayam | Branch Post Office |
| 385 | Manakkadu | Aranmanaikurichi BO | 📍 621851 | Ariyalur | Branch Post Office |
| 386 | Manakkudaiyan | Manakudayan BO | 📍 621719 | Sendurai | Branch Post Office |
| 387 | Manakollai | Kavarapalayam SO | 📍 608901 | Udayarpalayam | Post Office - PO |
| 388 | Manakudi | Manakudi BO | 📍 621705 | Ariyalur | Branch Post Office |
| 389 | Manalam kaduvetti | Pappakudi BO | 📍 612903 | Udayarpalayam | Branch Post Office |
| 390 | Manalery | Lingathadimedu BO | 📍 621705 | Ariyalur | Branch Post Office |
| 391 | Manalmedu | Pudukkottai-Tirumalaivadi BO | 📍 621851 | Ariyalur | Branch Post Office |
| 392 | Manapathur | Manapathur BO | 📍 621709 | Sendurai | Branch Post Office |
| 393 | Manaveli | Thennur BO | 📍 621805 | Udayarpalayam | Branch Post Office |
| 394 | Mandapatheri | Kattagaram BO | 📍 612903 | Udayarpalayam | Branch Post Office |
| 395 | Mandayankurichi | Hasthinapuram BO | 📍 621704 | Ariyalur | Branch Post Office |
| 396 | Mangadevanallur | Meikavalputhur BO | 📍 612901 | Udayarpalayam | Branch Post Office |
| 397 | Mangalam | Vadugarpalayam BO | 📍 621803 | Ariyalur | Branch Post Office |
| 398 | Manjamedu | Manjamedu Karaipakkam BO | 📍 621715 | Ariyalur | Branch Post Office |
| 399 | Manmalai | Meikavalputhur BO | 📍 612901 | Udayarpalayam | Branch Post Office |
| 400 | Mannanquai | Thennur BO | 📍 621805 | Udayarpalayam | Branch Post Office |