Most of the others are in the range 9 to ~30 cents a minute, unless you can find one with favourite number options, or calls only charged the first minute or two and make long ones
maybe you can look through the lesser known mvno brands
http://www.bellen.com/frameset_be.ht...rgr=2&reload=1
Or if you call one number really a lot, maybe you could rent an 0800 number, forward it, and call it free