Bonus codes still decide some bingo welcome offers, but far fewer than the search results suggest. When Bingotastic gathered the codes from its own UK site reviews into one place, the bigger finding was how many major brands don't use them at all, and how many codes still circulating online no longer work.
At sites that use them, the code goes in at sign-up or at the first deposit. Miss it and the offer changes shape or disappears. Sites generally won't apply a forgotten code once the deposit has gone through, so it pays to read the offer before reaching the cashier.
Codes outlive the offers they belonged to. Old listings keep them in circulation long after the promotion has ended, and some belong to sites that have closed altogether, such as Mint Bingo, which closed into Ted Bingo in summer 2026.
A code that bounces is usually one of these.
Mostly not. Real UK no deposit offers apply through the sign-up link or at registration. A listing pairing "no deposit" with a code is nearly always showing an expired promotion.
At several sites, regulars get daily cashback or prize drops with nothing to type in. Where a real reload code appears, it's on the operator's own promotions page, so that's the one place worth checking.
Bingotastic.com lists which UK bingo and slots sites currently use codes, which never have, and which codes have died, drawn from reviews of UKGC-licensed sites only. That's quicker than testing codes one by one at the cashier.