What Is the Aba Town Postal Code? Complete Guide for 2026
Aba is the busiest trading city in Abia State, and almost every parcel, bank form or online order from there asks for a postal code. Shop owners at Ariaria, tailors along Ngwa Road and families in Aba South all want the same thing: the right number for the address line.
This guide shows how Aba’s codes are arranged, which range to look at, and how to write the code so your mail and deliveries reach you without delay.
How the Aba postal code is arranged
Nigerian postal codes have six digits. Codes for Aba begin with 45, and the numbers used across Aba North and Aba South run from about 450101 to 450272. The range is wide because the city is large, and each district, market area and group of streets is sorted to its own number.
| Detail | What to know |
|---|---|
| Digits | Six, written together with no space |
| Starting digits | 45 for Aba |
| Range in use | About 450101 to 450272 |
| Local governments | Aba North and Aba South |
| Issued by | NIPOST, the national postal service |
Find the right code for your street
| 1 | Write your full address first: house number, street, area. |
| 2 | Note whether you are in Aba North or Aba South. |
| 3 | Look at the 450xxx range and pick the number for your district. |
| 4 | Ask at the nearest NIPOST office if two numbers seem possible. |
| 5 | Save the confirmed code in your phone notes for forms and orders. |
The Aba range at a glance
Where you will need it
- Online shopping and home delivery
- Bank account opening and KYC updates
- School, visa and job application forms
- Courier pickups from Ariaria and other markets
- Business registration and invoices
Questions people ask
The city uses many codes, so use the one that matches your district rather than a single general number.
Many online forms will not submit without it, and a full address with the code is sorted faster.
Your local NIPOST office can confirm the exact number for your street.
Keep your Aba code with your address details and use it every time. A correct number saves time on every delivery.
