How long it takes to get a confirmation/reciept number?

[gcapp123]

I have submitted my 130/485/864/765 and was wondering how long it takes for uscis to send a confirmaiton or receipt number so I can track it online?

The package has been delivered and checks have been cashed. any ideas?

Thanks!

 

[scipio marcus]

12 days on average. Range is 12 to 15 days.

 

[BladeRunner]

Where does one go to check the status online?