At Giza, when you meet Vince, call 555-6789 and he will go off to look for his phone, allowing you to grab the Moonstone from his bag.
Other cell phone numbers trigger costume changes (which are not immediately reversible!)
411 - Visible Brain hat
911 - Police Uniform (does not work on Super Power island)
1225 - Santa/ elf costume
1337 - Nerd costume (Ned Noodlehead)
When you have the cell phone on Nabooti Island, dial 1225 and you will get a removable ELF hat and a bag of toys. (see related question)
When you have the cell phone on Nabooti Island, dial 1225 and you will get a removable ELF hat and a bag of toys. (see related question)
You have to dial 5556789
555-6789
The writing on the shovel says "Vince Graves 555-6789". If you dial that number at Giza, it will distract Vince and you can go in his knapsack.
first you have to visit beat an old man at mananica and then go down and get the cell phone then go to the sphinx and dial 555-6789
After you get the cell phone on Nabooti island you use it to dial 911
Make sure you've dialed the correct number, and that you are right there next to Vince at Giza when you dial.
If you have the cell phone from Nabooti Island, you can dial 1225 to get a Santa/ elf costume and a sack.
get your phone and dial 5556789 then for the rest go to youtube and search: FULL nabooti island walkthrough but that goes a little fast
If you aren't at Giza, and call 555-6789, you get no answer. (Vince lost his phone.) If you dial any number except 555-6789, you get "invalid number". If you dial 411, 911, 1225, or 1337, you get a costumizer effect (see the related question).
Usable NumbersDial 911 to get a Police Outfit. Dial 511 to get a Firefighter's Outfit. There is a forgotten way to get a Santa Claus outfit. The Nabooti Island walkthrough will tell you.