Roaming and not losing service from doing it

Verizon doesn't have towers everywhere, they horse trade with other carriers. ATT uses a different standard(GSM instead of CDMA) that reaches better where they do have coverage, but they aren't everywhere, either.

The county I lived in before has no Verizon towers at all, they pick up coverage there from US Cellular, and the Verizon coverage in this area is spotty even though they have towers in most other counties. I have other reasons for not caring for Verizon. ATT, at least the prepaid services that use their network, doesn't work well here, either. My phone works with few exceptions and definitely works at the house.

I have more problems with losing service, and I have my phone set to indicate that,in home areas, than I do while 'roaming' on Verizon. I have nationwide unlimited coverage as well and it works pretty well in most areas. Some of those home areas coincide with Verizon and ATT home areas.

The nationwide prepaid unlimited services cost less than contracted plans. US Cellular doesn't offer prepaid nationwide plans or I would have one of them. I don't know if I want to try one from Verizon or T-mobile 9sold in the area by I-Wireless). A sure thing is better than trying something else that isn't, in my experience.