Offa Local Government Area in Kwara State uses postal codes is 250101.
Here are the postal codes for the towns and districts in Offa:
| Place/Area | Postal code |
| Adeleke | 250101 |
| Ago Daniel | 250101 |
| Ago Gbada | 250101 |
| Ago Ilobu | 250101 |
| Ago Isola | 250101 |
| Ago Maleki | 250101 |
| Ago Mogaji | 250101 |
| Ago Offa | 250101 |
| Ahogbada | 250101 |
| Ajegunle | 250101 |
| Ajelanwa | 250101 |
| Ajoko | 250101 |
| Alabanle | 250101 |
| Alabere | 250101 |
| Alagi | 250101 |
| Alao | 250101 |
| Alase | 250101 |
| Alaya | 250101 |
| Alayin | 250101 |
| Alayin Aleyin | 250101 |
| Alebale | 250101 |
| Aleniboro | 250101 |
| Apara | 250101 |
| Aperin | 250101 |
| Asaoye | 250101 |
| Asapate | 250101 |
| Asipa | 250101 |
| Awesu | 250101 |
| Awoniyi | 250101 |
| Ayekale | 250101 |
| Ayeni | 250101 |
| Bale Oke Aro | 250101 |
| Bolorunduro | 250101 |
| Buraimoh | 250101 |
| Ekesin Funfun | 250101 |
| Eleeku | 250101 |
| Erin-Osun | 250101 |
| Erinle | 250101 |
| Faje | 250101 |
| Falokun Jogun | 250101 |
| Falokun Owode | 250101 |
| Fibike | 250101 |
| Gaa Momodu | 250101 |
| Galiadi | 250101 |
| Ganmo Oko | 250101 |
| Gbosura | 250101 |
| Gudugba | 250101 |
| Igbaweere | 250101 |
| Igbo Idun | 250101 |
| Igbo Ilofa | 250101 |
| Ila Market Station | 250101 |
| Ilasa | 250101 |
| Ilemona | 250101 |
| Inaja Alaro | 250101 |
| Inaja Maliki | 250101 |
| Ira | 250101 |
| Kere Aje | 250101 |
| Offa | 250101 |