Yes!
If I don't provide you number then how you will submit it to a site for verification?
But to mention here, you don't own my number..

For Sms Verification:
1. I give you my number
2. you submit to a site for verification
3. I get the verification code
4. I pm you the verification code


For Call Verification:
1. I give you my number
2. you submit to a site for verification
3. the site calls me
4. you send me the pin / code by pm
5. I dial the verification code

The entire process will hardly take about 1-2 mins.
You have to connect with me via pm for the entire process.