It really depends where you live, each of the networks have good and bad areas. Verizon is probably the best coverage overall, but that doesn't mean anything if it's not good where you are. I have ATT, which works well where I travel (including atlanta) but is (reportedly) terrible in NY and SF due to high demand on the data network. Sprint and T-Moble are smaller, but they might have good coverage where you need it. Talk to people in your area.