Top-up.

Then get even better value by
converting to an Add-on.

No need to register, just have your card or voucher ready.


Show me other ways to top-up.


How to Top-up your Phone.

Top-up in a nutshell.

1. Add credit with a Top-up.
2. Use our standard 321 tariff.
3. Or get better value by converting to an All-in-One Add-on.

Phone Top-up in more detail.

All-in-One Add-on example.

£10 All-in-One Add-on

£10 All-in-One Add-on

1GB
data

3000
minutes

3000
texts

£10 Top-up using
standard 321 tariff.

330MB
data

110
minutes

165
texts

See all our All-in-One Add-ons.

Add-ons expire after 30 days. Unconverted credit has no expiry, but you must make a call, send a text or use some data, once every 6 months to keep the account active.


Top-up now.

Then remember to convert your credit to an All-in-One Add-on to get better value.



Phone Top-up in more detail.

1. Add credit with a Top-up using a card or a voucher. You can do this in the Three App, using a card or with a voucher.

2. You can use our standard tariff - Pay As You Go 321, which costs 3p a minute, 2p a text and 1p per MB of data.

3. Or get much better value by converting your credit into an All-in-one-Add-on, which expires after 30 days. This also includes Feel At Home Around the World, which lets you use your allowances in 71 destinations around the world.


All our All-in-One Add-ons.

Feel At Home Around the World, - use your allowances in 71 destinations around the world. Add-ons expire after 30 days - just Top-up again and choose a new Add-on to continue getting great value.

£15 All-in-One Add-on

5GB data         3000 minutes         3000 texts

Lasts for 30 days.

£10 All-in-One Add-on

1GB data         3000 minutes         3000 texts

Lasts for 30 days.

£25 All-in-One Add-on

30GB data         3000 minutes         3000 texts

Lasts for 30 days.

£20 All-in-One Add-on

12GB data         3000 minutes         3000 texts

Lasts for 30 days.

£35 All-in-One Add-on

All-you-can-eat data        3000 minutes         3000 texts

Lasts for 30 days.

Top-up now.

Then remember to convert your credit to an All-in-One Add-on to get better value.



How to Top-up your Mobile Broadband.

Top-up in a nutshell.

1. Add credit with a Top-up.
2. Use our standard tariff.
3. Or get better value by converting to an All-in-One Add-on.

Mobile broadband Top-up in more detail.

Add-on example.

£15 Add-on

3GB data

£15 Top-up using standard tariff.

1.5GB data

Add-ons expire after 30 days. Unconverted credit has no expiry, but you must make a call, send a text or use some data, once every 6 months to keep the account active.

Top-up now.

Then remember to convert your credit to an All-in-One Add-on to get better value.



Mobile Broadband Top-up in more detail.

1. Add credit with a Top-up using a card or voucher. You can do this in the Three App, using a card or with a voucher.

2. You can use our standard tariff - which costs 1p per MB of data.

3. Or get much better value by converting your credit into an All-in-One Add-on, which expires after 30 days. This also includes Feel At Home Around the World, which lets you use your allowances in 71 destinations around the world.

All our All-in-One Add-ons.

Feel At Home Around the World - use your allowances in 71 destinations around the world. Add-ons expire after 30 days - just Top-up again and choose a new Add-on to continue getting great value.

£10 Add-on                               1GB data

Lasts for 30 days.

£15 Add-on                               3GB data

Lasts for 30 days.

£25 Add-on                               7GB data

Lasts for 30 days.

£2.99 Add-on                            500MB data

Lasts for 30 days.

Top-up now.

Then remember to convert your credit to an All-in-One Add-on to get better value.



Other ways to top-up.

Top-up for someone else.

Use our anonymous top-up link to buy credit with your debit card, credit card or pre-purchased voucher without needing to register.



Running out of credit sucks.


Choose from our 1 & 12 month SIM only plans and take control of your spending. #makeitright

Select a SIM.


Check out our 1 & 12 month SIM only plans.


How Add-ons work.


Add-ons give you more for your money, but unlike credit, most are valid for 30 days.

Learn more about add-ons


Control your spend.


Keep track of your credit, allowances and top-up in My3, so you'll always be in control.

Login or register for My3.


Find out your number.


If you want to top-up online you'll need to know your phone or Mobile Broadband number before you begin.

How do I find out my number?