Here are this month's Callingmart.com discount codes for prepaid phone refills.
10% off T-mobile and AT&T Go Phone refills with coupon code: Father11-10
7% off Net10, Tracfone & Verizon refills with coupon code: Father11-7
5% off Pageplus, Simple Mobile, H20 and Airvoice refills with coupon code: Father11-5
The coupons above are good from now through Friday 6/24/11.
If you use Boost or any other carrier not listed above you can get an extra 3% off Callingmart's already discounted prices using coupon code ca3p-1207. This coupon does not expire.
All the above coupons are good only on purchases of $18 or more.