When you going to post multiple ads in Craigslist then you should need to verify your Craigslist account with your phone number. Depending on Craigslist section sometimes you need to be verified even first time to post your ad.
Being verified in Craigslist you need two things. An email address and a phone number. Please note that the phone number should not be any VOIP or toll free numbers neither any online number such as skype. But some mobile apps number also working fine. The best is to use your own cell phone or landline number. Remember one number can be used for one account verification. After 90 days you can use the number to verify another Craigslist account. In that case the previous account will ask to re-verify if you use it for posting ad again.
Step 1: Create an account in Craigslist. If you don’t know then you can read the article how to create Craigslist account
Step 2: Post an ad in Craigslist. If you didn’t post ad in Craigslist before then learn how to post ad on craigslist.
Step 3: After post ad, Craigslist will send the ad publishing link to your email. Go to your email and click the link.
Step 4: Now Craigslist ask for a phone number. Input the phone number into the mentioned field and click “Send Verification Code. Remember the phone number should be USA or Canadian numbers only. The phone number shouldn’t any VOIP number.
Step 5: Craigslist will send a code via phone call or text message upon your choice. You have to input the code on given field.
Step 6: After click “Submit” button Craigslist will redirect you to the post confirmation page. Congratulation! Your Craigslist account is now phone verified.