You need 2 mobile phones

Install whatsapp buisness(avilable on playstore) or gb whatsapp (available on chrome) in one phone.

Install textnow - ( play.google.com/store/apps/details?id=com.t.. ) in other phone.

Use the area code 762 in textnow app.

Textnow will show you 5 usa numbers.

In other phone type all the numbers one by one in whatsapp

In between 5 numbers whatsapp will acept one number.

Click on the number which whatsapp will accept.

You will get the otp in textnow app.

🅴🅽🅹🅾🆈