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It's possible that you've created a secondary account when trying to reset your old one's password. You can check out more tips regarding such situation here.
Regarding the Spotify usernames being consisted of numbers is something expected and you can read more info about that here.
To get personal help with your account it's best not to use the social channels (Facebook, Community, etc.) but to get in touch directly with our Support team here, who can give you a helping hand with personal account issues.
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