Searching the database for 0870 5502590 reveals a couple of entries, one for Simply Travel which had an alternative of 020 85412203. This is now unobtainable, but changing the last digit to 0 gets through to Simply Travel's menu.
024 76282930 is "now no longer in use". It says it's for the credit control department of Thomson and Crystal Holidays and refers callers to the following:
- Make payment, received a letter requesting you to make a payment or check on progress of refund: 020 71060373
- Letter from Newman & Company: 01582 645562
- Calling from Crystal or Thomson call centre: 01582 644043
The alternative I have listed against 0870 1649013 is 020 71060373 which is for payments for Thomson and Crystal (and possibly other TUI brands). Please advise whether this is right or not.