Step 3: Get their username and start digging
This is where luck comes in. Now that you know their Snapchat username, try searching for it on Instagram or Twitter. Unless they're totally oblivious to the whole "personal brand" thing, odds are they use the same username across all platforms.
From there, you'll (most likely) know their full name, which you can use to track them down on Facebook. Now, go forth and never get catfished again!
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Joe McGauley is a senior writer for Thrillist and no, you may not have his phone number.