Receive up to $504 promo credit ($180 w/Welcome Unlimited, $360 w/ 5G Start, or $504 w/5G Do More, 5G Play More, 5G Get More or One Unlimited for iPhone plan (Welcome Unlimited and One Unlimited for iPhone plans can't be mixed w/other Unlimited plans; all lines on the account req'd on respective plans)) when you add a new smartphone line with your own 4G/5G smartphone on an eligible postpaid plan between 2/10/23 and 3/31/23. Promo credit applied over 36 months; promo credits end if eligibility requirements are no longer met.
Call 811 before you dig. They will come out and mark the ground for you.
Don't count on them being correct. In Massachusetts, we call DigSafe, who calls Verizon. Verizon outsources to "IDM" who then outsources to "On Target". I happen to know that my phone line is buried, so when they marked it as 'NO buried phone line' I knew it was wrong.
I also later got a survey from verizon about it - but when I click on the link for the survey it says it cannot process it.