- 10% off AT&T Go Phone refills via code "MLK1510"
- 7% off Tracfone and Verizon refills via code "MLK157"
- 5% off for Net10, Pageplus, Simple Mobile, H2O, Cricket, Red Pocket, and Airvoice refills via code "MLK155"
CallingMart takes 5% to 10% off the retail cost of select prepaid cell phone refill orders of $18 or more via the coupon codes below. That's tied with our mention from a month ago and yields several price lows. The deals, each ending February 4: