I had a missed call (voice call, not a text) from this number and several others along with a Spanish-language text that contained a Snapchat verification code.
I think someone signed up for Snapchat, put in the wrong phone # (my # instead of theirs), and then kept retrying the "send code" button.
If that's what it is, I don't fault Snapchat, it's the person who gave them the wrong number!
Called me at 11pm in Australia. The number came up on my screen with (Miami, Florida) after it. Went to voicemail and it was a robot saying numbers. Have blocked