A friend on Facebook said, "I heard that my call center can make a lot of money using Craigslist. Would you give me advice?"
Answer: Craigslist requires a USA phone number from each person using Craigslist. Craigslist will call the number to verify the person answering has signed up to use Craigslist and agrees to their terms and conditions.
A few ways to get bulk number of USA phone numbers wholesale.
Any USA landline or mobile operator.
http://www.voxbone.com
http://www.didx.net
A few ways to get a USA phone number retail.
Your local USA mobile operator or landline operator.
http://www.jetnumbers.com
http://www.didww.com
http://www.mydivert.com
http://www.tollfreeforwarding.com
http://www.virtualphoneline.com
http://www.ring2skype.com
If the Craigslist member is found to be using Craigslist fraudulently as in human trafficking, drug trafficking, selling fake goods, calling USA phone numbers (call center campaigns) that are on the http://www.donotcall.gov list, making threatening calls to anyone... Craigslist will cancel that member's Craigslist account.