More than two million text entries were sent in the competition to win tickets for the London leg of Live 8.
Some 1.5 million entries were received in the first nine hours
The deadline for pop fans to apply for tickets for the Hyde Park show to fight African poverty expired at midnight.
The text contest raised £3m - about half of which will go to the Prince's Trust with the rest covering the cost of staging the concerts.
The London show on 2 July will feature U2, REM, Madonna, Coldplay and Pink Floyd, with other gigs across Europe.
On Sunday, it was announced that the classic Pink Floyd line-up, including Roger Waters and Dave Gilmour, would make a comeback after 24 years.
Pink Floyd's Dave Gilmour (pictured) is to be reunited with Roger Waters
Meanwhile, phone lines for a similar text competition for tickets to a second concert in Edinburgh on 6 July opened at 0800 BST.
The concerts will attempt to put pressure on world leaders to forgive African debt and increase aid budgets at the G8 summit near Edinburgh.
Phone operator O2, which is handling the texts, said it received 2,060,285 entries for the London contest - including 1.5 million in the first nine hours.
"Bob Geldof is delighted with the great British support," a Live 8 spokesman said.
It has earned a place in the Guinness World Records as the world's largest text message lottery.
Travis are among the bands playing at the Edinburgh concert
The winners of the 75,000 pairs of tickets will be drawn at random by computer and notified by text before Thursday.
Each entry cost £1.50 on top of the normal texting rate, with each person entering an average of 1.62 times, O2 said.
Winners will have to pick the tickets up from one of 50 O2 shops around the UK.
The first £1.6m of the £3m raised will go to the Prince's Trust, which cancelled its own pop fundraising event, Party in the Park, to make way for Live 8. Some of that will be given to the Help a London Child charity.
Auction website eBay said while it would not prevent people from selling tickets online, it would make a donation to Live 8 "at least equivalent to the fees we collect from the sale of Live 8 tickets".
"The reselling of charity concert tickets is not illegal under UK law, so eBay will allow these tickets to be sold on the site," a spokeswoman said.
"eBay believes it is a fundamental right for someone to be able to sell something that is theirs whether they paid for it or won it in a competition," she added.
Live 8 organisers said eBay had been "very helpful", adding the concert's lawyers would take action against anyone trying to sell tickets.
Fees from texts will also pay to stage the events in London, Paris, Berlin, Rome and Philadelphia.
Anything left will go to the Band Aid Trust, the charity set up in 1985 to spend money raised by Band Aid and Live Aid.
The Edinburgh concert at Murrayfield stadium will feature a line-up including Travis, Snow Patrol and Dido.
Participants in the text competition for 42,000 pairs of tickets must answer a simple question, which is: Where will the Long Walk to Justice conclude on 6 July? A) Murrayfield, B) Macclesfield, C) Madrid.
Entrants aged 16 and over must send the answer to 84599 before midnight on Saturday. Entries are £1.50 plus the usual text message charge.
Fans will not need tickets for the shows in Paris, Rome, Berlin and Philadelphia, but details of how to attend have not yet been released.