Udayarpalayam is Taluka (Tehsil) in Ariyalur district of Tamil Nadu state. Udayarpalayam has 63 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 612903 | Alathipallam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621802 | Angarayanallur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Anikduichan PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Ayuthakalam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Ayyappanaickenpettai PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621802 | Chinnavalayam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Gangaikondacholapuram PIN Code | Ariyalur | Udayarpalayam | Sub Office |
| 621806 | Ilaiyur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621802 | Jayamkondacholapuram PIN Code | Ariyalur | Udayarpalayam | Sub Office |
| 612904 | Kaduvettankurichi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Kallathur Thandalai PIN Code | Ariyalur | Udayarpalayam | Sub Office |
| 621803 | Kalleri PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621802 | Kaluvanthondi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621806 | Kandiankollai PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621802 | Karadikulam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612904 | Karaikurichi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612904 | Kargudi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621701 | Kasankottai PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Kattagaram PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Kattathur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 608901 | Kavarapalayam PIN Code | Ariyalur | Udayarpalayam | Sub Office |
| 612904 | Keelamichaelpatti PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Kidaramkondan PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621805 | Kilaneduvoi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | Kilaveli PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612902 | Kodali PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Kollapuram PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Koovathur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612904 | Kottiyal PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Kulathur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | Kumiliam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Kumiliankuli PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621701 | Kunamangalam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Kundaveli PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Meikavalputhur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Melanikuli PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Minsuritti PIN Code | Ariyalur | Udayarpalayam | Sub Office |
| 621701 | Muthuvancheri PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 608901 | Nagampandal PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Padanilai PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | Palayakudi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Pappakudi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | Parukkal PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621801 | Pattanamkurichi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621701 | Periyattirukonam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621806 | Pudukudi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612903 | Saluppai PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621802 | Sengunthapuram PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 608901 | Silambur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621701 | Sripurandan PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621701 | Sundakudi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | T Solankurichi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621805 | Thennur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | Udayarpalayam West PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Ulkottai PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621701 | Ulliakudi PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Vanarathirayankuppam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 612901 | Vanavanallur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621805 | Varadarajampettai PIN Code | Ariyalur | Udayarpalayam | Sub Office |
| 621804 | Venmankondan PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Vizhapallam PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621803 | Z Melur PIN Code | Ariyalur | Udayarpalayam | Branch Office |
| 621804 | Zamin Suthamalli PIN Code | Ariyalur | Udayarpalayam | Branch Office |