Quick answer
All four listed operators use *312# for a data-purchase menu. Balance codes differ: Airtel and T2 list *323#, MTN lists *323*4# (and *310#), and Glo lists*323*0#.
Codes by operator and task
| Operator | Task | Code | Instruction | Checked date | Source |
|---|---|---|---|---|---|
| Airtel | Buy data | *312# | Dial *312# and follow the prompts. | 5 Sept 2026 | Official source → |
| Airtel | Check balance | *323# | Dial *323#. | 5 Sept 2026 | Official source → |
| MTN | Buy data | *312# | Dial *312# and follow the prompts; the current help page also exposes *312*1#. | 4 Aug 2026 | Official source → |
| MTN | Check balance | *323*4# | Dial *323*4#; the current help page also lists *310#. | 4 Aug 2026 | Official source → |
| Glo | Buy data | *312# | Dial *312# and follow the prompts. | 4 Aug 2026 | Official source → |
| Glo | Check balance | *323*0# | Dial *323*0#; the data menu at *312# also provides balance access. | 4 Aug 2026 | Official source → |
| T2 | Buy data | *312# | Dial *312# and follow the prompts. | 4 Aug 2026 | Official source → |
| T2 | Check balance | *323# | Dial *323#. | 4 Aug 2026 | Official source → |
| T2 | Check balance | *312*2# | Dial *312*2#, or dial *312# and choose option 2. | 4 Aug 2026 | Official source → |
Airtel*312#
Buy data
- Instruction
- Dial *312# and follow the prompts.
- Checked date
- 5 Sept 2026
- Official source
- Open source →
Airtel*323#
Check balance
- Instruction
- Dial *323#.
- Checked date
- 5 Sept 2026
- Official source
- Open source →
MTN*312#
Buy data
- Instruction
- Dial *312# and follow the prompts; the current help page also exposes *312*1#.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
MTN*323*4#
Check balance
- Instruction
- Dial *323*4#; the current help page also lists *310#.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
Glo*312#
Buy data
- Instruction
- Dial *312# and follow the prompts.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
Glo*323*0#
Check balance
- Instruction
- Dial *323*0#; the data menu at *312# also provides balance access.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
T2*312#
Buy data
- Instruction
- Dial *312# and follow the prompts.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
T2*323#
Check balance
- Instruction
- Dial *323#.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
T2*312*2#
Check balance
- Instruction
- Dial *312*2#, or dial *312# and choose option 2.
- Checked date
- 4 Aug 2026
- Official source
- Open source →
Related Nigeria pages
Official sources
- Data Plans Airtel Nigeria · checked 5 September 2026
- Data bundles help MTN Nigeria · checked 4 August 2026
- Data plans FAQs Globacom · checked 4 August 2026
- T2mobile data plans T2mobile · checked 4 August 2026
- T2mobile frequently asked questions T2mobile · checked 4 August 2026