He means here: https://www.blackhatworld.com/forums/want-to-buy.92/Post this in the "want to buy" section of BlackHatWorld, and someone might be able to help you out there.
yeah textverified is good.Try textverified, it is a a good service in my experience and they also have a currently active BHW Marketplace listing / thread : https://www.blackhatworld.com/seo/non-voip-us-voice-text-sms-verifications-only-0-50-huge-inventory-textverified-com.1124686/