Test of age (Frostburg)

Hello everyone, lets play a game today.
If anyone can decode this send me a message and let me know what it says.
All players are welcome, lets see who can figure it out.
For some older people this should be easy.
7777 33 66 3 66 88 3 33 7777 444 333 999 666 88 222 2 66 777 33 2 3 show contact info Good luck and I hope to hear from people.
Have a good day.