State Internal Revenue Services Across Nigeria

Nigeria's tax system includes both federal and state-level tax authorities. While the Nigeria Revenue Service (NRS) oversees federal tax administration, each state has its own Internal Revenue Service (IRS) responsible for administering, assessing, and collecting taxes and internally generated revenue within that state.

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Why Understanding Tax Laws Is Critical

Tax laws form the foundation of compliance for businesses operating in Nigeria. They define how taxes are administered, who collects them, how disputes are resolved, and the obligations of taxpayers. Understanding these laws helps organizations:

  • PAYE and Withholding Taxes in state
  • Stamp Duties and other levies
  • Internally Generated Revenue (IGR) reporting
  • Taxpayer education and compliance assistance

State IRS in Nigeria

Benue State Internal Revenue Service

Email: info@birs.be.gov.ng
Contact: 0803 615 1111

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Federal Capital Territory Internal Revenue Service

Email: contactus@fctirs.gov.ng
Contact: 0700 220 0002

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Kwara State Internal Revenue Service

Email: helpdesk@kw-irs.com
Contact: 0700 695 9477

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Nasarawa State Internal Revenue Service

Email: info@nsirs.na.gov.ng
Contact: 0811 500 0021

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Kogi State Internal Revenue Service

Email: info@kgirs.kg.gov.ng
Contact: 0906 288 8802

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Niger State Internal Revenue Service

Email: info@ngsirs.gov.ng
Contact: 0906 000 9944

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Plateau State Internal Revenue Service

Email: contactus@psirs.gov.ng
Contact: 0803 123 0301

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Adamawa State Internal Revenue Service

Email: info@adirs.ng
Contact: 0803 621 1618

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Bauchi State Internal Revenue Service

Email: info@birs.ba.gov.ng
Contact: 0803 285 2444

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Borno State Internal Revenue Service

Email: info@bsirs.gov.ng
Contact: 0800 2676 6477

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Gombe State Internal Revenue Service

Email: info@gbirs.gov.ng
Contact: 0803 644 1404

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Taraba State Internal Revenue Service

Email: info@tabir.tr.gov.ng
Contact: 0803 624 9568

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Yobe State Internal Revenue Service

Email: info@ybirs.yb.gov.ng
Contact: 0803 620 5003

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Jigawa State Internal Revenue Service

Email: info@jsbir.jg.gov.ng
Contact: 0803 692 2840

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Kaduna State Internal Revenue Service

Email: info@kadirs.kdsg.gov.ng
Contact: 0908 874 3859

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Kano State Internal Revenue Service

Email: info@kirs.gov.ng
Contact: 0817 741 6260

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Katsina State Internal Revenue Service

Email: info@ktbir.kt.gov.ng
Contact: 0803 331 4234

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Kebbi State Internal Revenue Service

Email: info@irs.kb.gov.ng
Contact: 0806 940 3332

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Sokoto State Internal Revenue Service

Email: info@sirs.so.gov.ng
Contact: 0803 507 5122

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Zamfara State Internal Revenue Service

Email: info@irs.zm.gov.ng
Contact: 0810 820 6816

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Abia State Internal Revenue Service

Email: info@asirs.gov.ng
Contact: 0818 043 1454

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Anambra State Internal Revenue Service

Email: support@airs.an.gov.ng
Contact: 0706 672 7750

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Ebonyi State Internal Revenue Service

Email: info@ebirs.gov.ng
Contact: 0803 336 9130

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Enugu State Internal Revenue Service

Email: esirs@enugustate.gov.ng
Contact: 0807 562 5555

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Imo State Internal Revenue Service

Email: enquiries@iirs.im.gov.ng
Contact: 0704 414 3059

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Akwa Ibom State Internal Revenue Service

Email: info@akirs.gl.gov.ng
Contact: 0813 634 5000

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Cross River State Internal Revenue Service

Email: enquiries@crirs.ng
Contact: 0809 314 4444

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Bayelsa State Internal Revenue Service

Email: info@bayelsabir.com.ng
Contact: 0803 310 4402

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Delta State Internal Revenue Service

Email: info@deltairs.com
Contact: 0905 396 4100

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Edo State Internal Revenue Service

Email: info@eirs.gov.ng
Contact: 0813 097 0146

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Rivers State Internal Revenue Service

Email: info@rivservice.com
Contact: 0810 614 7430

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Ekiti State Internal Revenue Service

Email: info@ekirs.ng
Contact: 0813 536 2901

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Lagos State Internal Revenue Service

Email: info@lirs.net
Contact: 0700 2255 5477

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Ogun State Internal Revenue Service

Email: info@ogunstaterevenue.com
Contact: 0806 024 0778

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Ondo State Internal Revenue Service

Email: contactus@odirs.ng
Contact: 0906 297 9999

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Osun State Internal Revenue Service

Email: info@oirs.ng
Contact: 0816 133 8176

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Oyo State Internal Revenue Service

Email: selfservice@oyostatebir.com
Contact: 0903 442 3126

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What You Can Do on State IRS Sites

State IRS websites generally allow residents and businesses to:

Register for tax identification (state TIN where applicable)

Calculate and pay taxes online

File tax returns or obtain tax clearance certificates

Download forms, guides, and tax schedules

Access taxpayer support and contact information

Verify tax documentation

Simplify Tax Compliance Across States With WorkMerate

Managing tax compliance is complex. WorkMerate centralizes administration, tracking, and reporting, helping businesses reduce risk.

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