Three Pay by Phone Casino Deposits

Three UK users can use 3Pay to fund casino accounts from their phone bill. This page covers the Three Pay by Mobile casino deposit process, limits, fees, supported plans, and top Three-friendly casinos.
How Three Pay by Phone Casino Deposits Work
- Select “Pay by Phone” (may show as 3Pay, Boku, or Pay via Mobile).
- Enter your Three mobile number and deposit amount.
- You’ll receive an SMS from short code 65083 or similar – reply “YES” or use the PIN displayed.
- Funds appear in your casino balance instantly.
- The charge is added to your next Three bill or taken from PAYG credit.
Three Pay by Phone Casino Limits & Fees
- Daily limit: £40 (Three follows the new Payforit max).
- Monthly limit: £240 across all 3Pay charges.
- Minimum deposit: £5–£10 (casino-defined).
- Fees: Three applies none. Most casinos are fee-free; check T&Cs for rare surcharges.
Which Three Plans and MVNOs are supported for pay by phone bill deposits?
Works on Three Pay Monthly (Contract), PAYG, and MVNOs using Three’s network (Smarty, ID Mobile). Premium billing is enabled by default; PAYG users need enough credit.
Using Three Pay by Mobile in UK for Casino Deposits
Three is one of the UK’s major mobile networks and can be used to fund your casino account via pay by phone bill at many UK-licensed casinos. Below is a quick Q&A covering everything you need to know before you deposit.
Can you use Three Pay for casino deposits in the UK?
Many UKGC-licensed casinos accept deposits from Three customers through pay-by-mobile platforms such as Payforit or Fonix. Always check the casino’s cashier or help section to confirm support before depositing.
How do you make a deposit with Three Pay
Select Pay by Mobile (or Pay by Phone Bill) in the casino cashier, enter your Three mobile number and the amount (usually £5 – £30), then confirm the SMS you receive. The funds appear instantly in your casino balance and are charged to your next phone bill or deducted from prepaid credit.
Does Three itself authorise the payment?
No. The authorisation is handled by the pay-by-mobile service provider (e.g. Payforit/Fonix) in partnership with the casino. Three simply adds the approved charge to your bill.
What are the deposit limits with Three Pay?
Typical limits are £5 – £30 per transaction and a monthly cap of around £240, in line with UK mobile-payment regulations and responsible-gambling policies.
Withdrawing winnings back to your phone bill
Withdrawals must be made via alternative methods such as bank transfer, Skrill, or Neteller.
Fees when using Three for casino deposits?
Casinos rarely add fees, but your mobile network may apply a small service charge. Check with Three and the casino’s banking terms to avoid surprises.
Why might a deposit fail even if I’m on Three?
Acceptance depends on both the casino and the payment platform. If a site or provider doesn’t currently support Three, the deposit will be declined. Verify support with customer service before attempting a payment. Our pay by phone casino troubleshooting guide should also have some answers.
Three Pay by Phone Casino deposits conclusion
Three’s 3Pay system piggy-backs on the same Payforit rails used by the other big carriers, yet it has a couple of quirks seasoned mobile gamblers appreciate. Because Three’s core customer base skews younger and data-heavy, the network keeps header-enrichment enabled on virtually every tariff.
On the downside, Three’s default personal Spend Cap is set to £0 during SIM activation; if you forget to slide it up in the Three app, every Boku/Fonix attempt will fail with no clear error message. Once you raise the cap to £40 (or whatever limit you prefer), 3Pay runs smoothly.
How Three Compares with EE, O2 and Vodafone
- Speed: Three and EE tie for fastest one-tap approvals on mobile data, whereas O2 always adds an extra PIN step.
- Account Age Restrictions: Vodafone is the only carrier that blocks brand-new contracts for up to 90 days; Three, EE, and O2 allow Payforit from day one, assuming your cap isn’t zero.
- Spend Cap Flexibility: Three and O2 let you set a personalised cap in-app. EE’s cap is fixed at £40 unless you call support, while Vodafone auto-unlocks to £40 after probation.
- Fee-Free Casino Coverage: All four carriers depend on each casino’s policy, but anecdotal tracking shows roughly the same proportion of fee-free sites across networks.
In short, choose Three if you value rapid “one-tap” deposits and don’t mind adjusting a spend slider first; opt for O2 for granular self-control, EE for pure speed with minimal setup, and Vodafone once your new account has cleared its bedding-in period.
Summary table for Three Pay pay by phone bill deposits
Aspect | Three (3Pay) Pay-by-Phone Casino Deposits (UK) |
---|---|
How it works |
|
Limits | £5–£30 per transaction · £40 daily · £240 monthly (industry standard). |
Fees | No fee from Three; most casinos fee-free—rare brands pass on ~15 % surcharge (check T&Cs). |
Supported plans | Three Pay-Monthly, PAYG, Smarty, iD Mobile (Three MVNOs) with premium billing enabled. |
Speed | Instant credit; one-tap approval on 4G/5G via header enrichment (fastest with EE). |
Spend-cap quirk | Default personal Spend Cap set to £0 on new SIMs—raise it in Three app or deposits fail silently. |
Security & privacy | SMS 2FA; no card/bank data shared with casino. |
Withdrawals | Not to phone bill; cash-out via bank transfer, Skrill, Neteller, etc. |
Bonus eligibility | Most UK casinos count Three deposits toward welcome & reload offers—verify T&Cs. |
Strengths | Rapid “one-tap” deposits on data; card-free; low caps aid budgeting; flexible in-app spend slider. |
Weaknesses | £40 cap unsuitable for high rollers; no withdrawals; new SIMs blocked till cap raised; possible casino surcharge. |
Ideal for | Mobile-first players wanting fast £10–£30 top-ups and willing to adjust Spend Cap before first deposit. |

Chris Vaughan is a Senior Writer and Editor at GamblingAuthority. He has more than 18 years of experience in the iGaming industry and has great knowledge of game developers, trending games and casino research.
Read more about the author