Why would he give me his number if we are in different countries?

Anonymous
I met this guy, when he was working in my city, on a dating app. We didn’t get to meet in person before he moved back to his hometown (due to my schedule changing) which is in a different country. He works seasonally in my country.

We first talking talking on Snapchat and then he asked to follow me on Instagram and we started talking on there. We talk everyday, and he just gave me his phone number while dming.

Guys, is this a good sign? Why would he give me his number if we are so far apart?
Why would he give me his number if we are in different countries?
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