Sprint is running referral offer for their phone plans.
http://www.sprint.p.delivery.net/m/p/sprint/epc/epclanding.asp
You can get this for a new plan, or switch to this plan if you dont have any contract.
Call up Customer Service 1-800-658-7564 (CS w/o hold time) or Employee Accounts: 1-888-876-8381 Employee Accounts
^Tell the Sprint CSR you have signed up for a Sprint account & you would like to switch your plan to a SERO plan. As a new Sprint customer, you have a 30-day trial period to adjust your plan, call/e-mail to ask for free/discounted perks, etc.

SERO Plans
500 Minutes = $30.00
1250 Minutes = $49.99
2500 Minutes = $99.99
1000 Minutes (w/ Free Incoming) = $99.99

All SERO plans come with
- Unlimited Sprint Vision or Power Vision (Vision for Vision phones, Power Vision for Power Vision phones)
- Unlimited Mobile to Mobile
- Unlimited Sprint Picture MailE
- Unlimited Roaming
- Unlimited Nights & Weekends (Starts @ 9PM)
- Nationwide Long Distance
- Crystal Clear Calls
- Voice Mail
- Caller ID
- Call Waiting
- Numeric Paging
- Three-Way Calling