The short, practical answer: Lagos does not have one single zip code; its postal (zip) codes range from 100001 to 112005, depending on the exact area, LGA, and sometimes even street.

Quick Scoop: What is Lagos zip code?

If you’re filling an online form and it asks “What is Lagos zip code?”, the safest generic code people commonly use is 100001 , which corresponds to the main Ikeja GPO (General Post Office).

However, this is really just one code in a much larger range, and it is not technically “the” code for the whole city.

How Lagos postal/zip codes actually work

Lagos uses Nigerian NIPOST 6‑digit postal codes, and each area has its own unique code.

  • Overall Lagos State range: 100001 – 112005.
  • Examples of area-based codes:
* Lagos Island: 101223 and other nearby 101xxx codes.

* Lagos Mainland: 101245 (plus more 101xxx variants).

* Ikeja GPO: 100001.

* Agege areas: codes like 100283, 100284, 100215.

* Ojo LGA: 102003–102115, with specific streets like Aspanda at 102003 and Ojo town at 102101.

Small example table (HTML as requested)

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Area / LGA Example postal (zip) code Notes
Ikeja (GPO) 100001 Often used as a “generic” Lagos zip code online.
Lagos Island 101223 One of the main Lagos Island codes.
Lagos Mainland 101245 Code covering a Lagos Mainland area.
Ojo LGA (range) 102003 – 102115 Different communities and streets have specific codes.
Lagos State (overall range) 100001 – 112005 Full state spread; you still need area-specific codes.

Quick tips for forms and deliveries

  • If a website insists on one zip code and doesn’t care about hyper-accuracy, 100001 will usually work for “Lagos, Nigeria”.
  • For real mail, couriers, or anything important, you should use the exact code for your neighborhood, LGA, or street within Lagos.

In other words: Lagos zip code isn’t one magic number; it’s a whole range of codes, and the right one depends on where you are within the city.

TL;DR:

  • Generic Lagos zip code often used online: 100001 (Ikeja GPO).
  • True Lagos postal codes: 100001–112005 , varying by area.

Information gathered from public forums or data available on the internet and portrayed here.