It's not even really that difficult. Take a VOIP CLEC like Zoom. A USA based company buys service from them, and then deploys those virtual numbers to India. To the billing department, USCo, Inc. is paying the bill. The terminations are all in the USA. But, poos are using those virtual numbers to call you from your local area code.
The article talks primarily about cellular numbers, but no one is calling you from those. It's all phone farms in Asia.
It's not even really that difficult. Take a VOIP CLEC like Zoom. A USA based company buys service from them, and then deploys those virtual numbers to India. To the billing department, USCo, Inc. is paying the bill. The terminations are all in the USA. But, poos are using those virtual numbers to call you from your local area code.
The article talks primarily about cellular numbers, but no one is calling you from those. It's all phone farms in Asia.