Where Can I Find Official Tax Filing Websites for All Nigerian States and How Do I File Personal Income Tax Nationwide?

Yes — every state in Nigeria has its own tax authority and filing link.
Even though your TIN is national, Personal Income Tax (PIT) is filed through State Internal Revenue Services (SIRS) depending on where you reside. �
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Below are credible official links for all 36 states + FCT.
🇳🇬 Federal Capital Territory
Federal Capital Territory Internal Revenue Service
Website: https://fctirs.gov.ng⁠�
Self-service portal available for filing and verification �
FCT Internal Revenue Service
South-West States
Lagos State Internal Revenue Service — https://lirs.gov.ng⁠�
Ogun State Internal Revenue Service — https://portal.ogetax.ogunstate.gov.ng⁠�
Oyo State Internal Revenue Service — https://bir.oyostate.gov.ng⁠�
Ondo State Internal Revenue Service — https://odirs.ng⁠�
Osun State Internal Revenue Service — https://irs.os.gov.ng⁠�
Ekiti State Internal Revenue Service — https://ekitistaterevenue.com⁠� �
NRS Portal Guide
South-South States
Rivers State Internal Revenue Service — https://riversbirs.gov.ng⁠�
Delta State Internal Revenue Service — https://deltairs.com⁠�
Edo State Internal Revenue Service — https://eirs.gov.ng⁠�
Akwa Ibom State Internal Revenue Service — https://akirs.ak.gov.ng⁠�
Cross River State Internal Revenue Service — https://crirs.crossriverstate.gov.ng⁠�
Bayelsa State Internal Revenue Service — https://bir.by.gov.ng⁠� �
NRS Portal Guide
South-East States
Imo State Internal Revenue Service — https://iirs.im.gov.ng⁠�
Anambra State Internal Revenue Service — https://anambrastate.gov.ng/irs⁠�
Abia State Internal Revenue Service — https://abiairs.gov.ng⁠�
Enugu State Internal Revenue Service — https://esirs.en.gov.ng⁠�
Ebonyi State Internal Revenue Service — https://ebonyistateirs.gov.ng⁠�
👉 Example: Imo State IRS provides self-service login, TCC verification and tax filing portal. �
iirs.im.gov.ng
North-Central States
Kwara State Internal Revenue Service — https://kwirs.kw.gov.ng⁠�
Kogi State Internal Revenue Service — https://kgirs.kg.gov.ng⁠�
Benue State Internal Revenue Service — https://birs.be.gov.ng⁠�
Nasarawa State Internal Revenue Service — https://irs.na.gov.ng⁠�
Niger State Internal Revenue Service — https://nsirs.ng⁠�
Plateau State Internal Revenue Service — https://psirs.gov.ng⁠�
North-West States
Kano State Internal Revenue Service — https://kirs.gov.ng⁠�
Kaduna State Internal Revenue Service — https://kadiris.ng⁠�
Katsina State Internal Revenue Service — https://katsinairs.gov.ng⁠�
Sokoto State Internal Revenue Service — https://sirs.gov.ng⁠�
Kebbi State Internal Revenue Service — https://kebbisirs.gov.ng⁠�
Zamfara State Internal Revenue Service — https://zamfiris.gov.ng⁠�
North-East States
Borno State Internal Revenue Service — https://birs.bo.gov.ng⁠�
Yobe State Internal Revenue Service — https://yobesirs.gov.ng⁠�
Adamawa State Internal Revenue Service — https://adamawairs.gov.ng⁠�
Bauchi State Internal Revenue Service — https://birs.ba.gov.ng
Gombe State Internal Revenue Service — https://gombesirs.gov.ng
Taraba State Internal Revenue Service — https://tarabairs.gov.ng
Important Note
Some states allow online filing
Some states require physical walk-in
Some states offer hybrid (online + office visit)
This is why you noticed ASIN in Anambra — states operate independent tax systems.
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