Google is a free open source & fast search engine which supports many features. most cases customers are not able to find the Gmail account by phone number so here Gmail offers community forum support. In this support mention your all issues in a proper way after that expert analyzes your all troubles and come back to you with the appropriate solutions.
How do I find out what my Gmail account is?
How do I change the phone number on my Gmail account?
How do I find my other Gmail account?
How do I find my Gmail ID?
How can I open my Gmail account?
How do I find my Gmail account name?