I forgot my passcode to open my iPhone

This is a user-to-user forum; no one will call you. And you just posted your phone number publicly where anyone in the world (literally) can see it. I’ve asked the hosts to mask your phone number.

As to your problem, If your device has iOS 15.2 or later installed, you can reset it without a computer; check out this link→How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support. Otherwise you will need a computer:

See this Apple support link→If you forgot the passcode on your iPhone, or your iPhone is disabled - Apple Support

Or watch this companion video ⬇️

After restoring the phone using one of the methods above you can restore your most recent backup.