A postal code in Nigeria is a six-digit number used to sort mail, parcels and location-based records. Nigeria does not have one universal postal code for the whole country. Instead, each state, city, district or delivery area can have its own code, which is why a form asking for “Nigeria ZIP code” should normally be filled with the correct Nigerian postal code for your state or local area.
The list below is useful for quick online forms, basic state identification and common city-level references. For physical delivery, courier services, bank records or official documents, it is safer to confirm the exact area, district or local government postal code before submitting the address.
Nigeria does not use one single postal code
One common mistake is thinking that Nigeria has one national code that works everywhere. It does not. A person in Lagos Mainland, Lagos Island, Abuja, Kano, Port Harcourt or Uyo will not always use the same postal code, because the code depends on the delivery location.
Another confusion comes from the word “ZIP code.” ZIP code is the American term, but many international websites use it for all countries. When a website asks for a ZIP code for Nigeria, it usually means Nigeria post code or postcode. You should enter the six-digit postal code for your location, not the country dialling code.
The number 234 is not a postal code. It is Nigeria’s international phone code. Using it in a postal-code field may cause address errors, failed account verification or delivery delays.
How Nigerian postal codes work
Nigerian postal codes are usually written as six digits. The first part helps identify the sorting area, while the remaining digits narrow the delivery location. In practical use, the code can point to a post office facility, a city area, a rural delivery zone or a district inside a state.
This is why broad state-level codes are helpful but not always enough. For example, Lagos has more than one postal code. Lagos Mainland and Lagos Island are listed separately because they are different delivery areas. The same applies to many large cities, where districts, neighbourhoods and local government areas may each have their own code.
For everyday online forms, a general state-capital or main-city code may work. For receiving a parcel at a specific address, the exact district code is better.
Quick Nigeria postal code list by state and city
The table below organises the postal codes from the provided city/state list and cleans the incomplete Cross River entry by adding Calabar’s common postal-code reference. Use it as a fast guide, but check the local district code if delivery accuracy matters.
| State / City reference | Postal code |
| Abia, Umuahia | 440001 |
| Abuja, FCT | 900001 |
| Adamawa, Yola | 640001 |
| Akwa Ibom | 520001 |
| Anambra | 420001 |
| Bauchi | 740001 |
| Borno | 600001 |
| Cross River, Calabar | 540001 |
| Delta | 320001 |
| Edo | 300001 |
| Enugu | 400001 |
| Imo | 460001 |
| Jigawa | 720001 |
| Kano | 700001 |
| Kaduna | 800001 |
| Katsina | 820001 |
| Kebbi | 860001 |
| Kogi | 260001 |
| Kwara | 240001 |
| Lagos Island | 101001 |
| Lagos Mainland | 100001 |
| Niger | 920001 |
| Ogun | 110001 |
| Ondo | 340001 |
| Osun | 230001 |
| Oyo | 200001 |
| Plateau | 930001 |
| Rivers | 500001 |
| Sokoto | 840001 |
| Taraba | 660001 |
| Yobe | 320001 |
| Ebonyi, Abakaliki | 840001 |
Why Lagos has more than one postal code
Lagos is a good example of why a single Nigeria postal code is not enough. The source list separates Lagos Island and Lagos Mainland because both areas are treated differently for postal sorting and delivery. Lagos Mainland is commonly listed with 100001, while Lagos Island is commonly listed with 101001.
For general forms, these codes are often enough. But if you are sending goods to Victoria Island, Ikoyi, Lekki, Yaba, Ikeja, Surulere or another specific area, you may need a more precise postcode. Courier companies often rely on the full address first, then use the postal code to support sorting.
The practical rule is simple: if the form only needs a basic location, a broad city code can help. If an item must be delivered to a doorstep, use the most specific code available for that district.
When a state code is enough
A state-level or city-level postal code is usually enough for low-risk online forms. Examples include newsletter registration, basic account setup, mobile apps, job platforms or websites that require a postal code before allowing you to continue.
It can also work when a system is designed for international users and only needs a valid-looking six-digit location code. In those cases, a broad Nigerian postal code helps the platform recognise your country and state without requiring a full district-level match.
The situation changes when money, identity or delivery is involved. Banks, fintech apps, payment platforms, logistics companies and official government forms may compare your address with other records. A mismatched code can trigger manual review, failed verification or a delivery problem.
When you need a more exact postcode
Use a more specific postcode when the address must be accurate. This includes parcel delivery, business registration, visa-related documents, school applications, tax records, banking, utility accounts and official correspondence.
For example, writing “Lagos 100001” may be accepted by a simple website, but it may not be precise enough if a courier needs to deliver to a street in Lekki, Ajah, Ikeja or Ikorodu. The same logic applies to Abuja, where districts can have different postal codes even though many people use 900001 as a broad reference.
A good Nigerian address should include the recipient name, house number, street, area, city, state, country and postal code. The postal code supports the address; it does not replace it.
Common mistakes with Nigerian postal codes
The most common mistake is using 234 as a postal code. That number belongs to phone numbers, not mail delivery. Another mistake is using Lagos postal code for every Nigerian address just because Lagos is the most recognised city internationally.
Some people also enter random values like 000000 or 123456 when a form refuses to submit. That may work on a weak website, but it is risky for banking, delivery or identity verification. If the platform later checks your address, the mismatch can create problems.
The third mistake is assuming every state has only one code. The table is a quick reference, not a complete district database. Nigeria has many local government areas, towns and delivery zones, so a detailed postcode search may still be needed for exact addresses.
What is Nigeria postal code for online forms?
If a website asks “what is Nigeria postal code,” the correct answer is: Nigeria uses six-digit postal codes, and the right code depends on your state, city or district. There is no one code for the whole country.
For a simple form, use the code that matches your state capital or nearest main city. For example, Abuja can use 900001, Lagos Mainland can use 100001, Lagos Island can use 101001, Kano can use 700001, and Rivers can use 500001.
If the form is tied to shipping or official verification, do not stop at the broad state list. Confirm the district-level postcode for the actual delivery address.
How to choose the right postal code
Start with the state. Then narrow it to the city, local government area or district. If you only know the state, the table above gives a broad reference. If you know the city or neighbourhood, use that more precise information.
For example, “postal code Nigeria” is too broad as a search. “Postal code for Lagos Island,” “postcode for Abuja Garki,” or “Nigeria postal code for Port Harcourt” is much more useful because the location is specific.
The safest method is to match the postal code to the exact address you plan to use. If the address is for business, delivery or official paperwork, accuracy matters more than speed.
The safest way to use this list
Use this Nigeria postcode list as a practical starting point, especially when you need a fast state or city code for a general form. It helps answer broad searches like “postal code for Nigeria,” “Nigerian postal code,” and “Nigeria post code” without confusing postal codes with phone codes.
For anything important, treat the table as the first step, not the final check. Postal codes become more reliable when they match the exact delivery area. A correct code can make online accounts smoother, reduce shipping confusion and keep official records cleaner.