Nigeria phone directory
Curated useful numbers for Nigeria and how to dial +234 from abroad. Verify on official sources before calling.
How to dial
Use the full international format: +234 plus the national number. Drop a leading 0 from national numbers when you dial internationally. Always confirm numbers and hours on the institution's official website.
Full +234 dialing guide →Useful numbers in Nigeria
Banking & payments
GTBank
- Dial in WorldDial$0.24/min
GTConnect contact centre
+234 201 448 0000 - Dial in WorldDial$0.24/min
GTConnect contact centre
+234 700 4826 66328 - Dial in WorldDial$0.24/min
GTBank complaints and enquiries line
+234 201 908 0000
Government & public services
FIRS
- Dial in WorldDial$0.24/min
Nigeria Revenue Service / former FIRS helpdesk
+234 209 460 2700
NIS Nigeria Immigration
- Dial in WorldDial$0.24/min
NIS complaints and enquiries
+234 912 147 7092 - Dial in WorldDial$0.23/min
NIS visa enquiries
+234 705 340 1399 - Dial in WorldDial$0.24/min
NIS headquarters contact line
+234 912 190 0655
PENCOM
- Dial in WorldDial$0.24/min
PenCom head office line
+234 209 460 3955 - Dial in WorldDial$0.23/min
PenCom North-Central zonal office
+234 807 885 9104
Health & social
NHIA
- Dial in WorldDial$0.23/min
NHIA main contact line
+234 805 928 2008 - Dial in WorldDial$0.23/min
NHIA main contact line
+234 806 574 4100 - Dial in WorldDial$0.23/min
NHIA headquarters phone number
+234 804 231 8888
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