Curious about how different prepaid carriers coverage compares? Here are the official coverage maps for all the nationwide prepaid mobile operators in the US. Click a map to go the original on the operators site.
While comparing nation coverage is interesting and maybe even useful what really matters is if there is coverage where you live, work, party and vacation. All the carriers have detailed block level coverage maps on their sites.
TracFone branded CDMA Feature Phones
TracFone branded GSM feature phones
StraightTalk (also Net10 and TracFone Smartphones and BYOP) (GSM-T = T-Mobile, GSM-A = AT&T, CDMA-S = Sprint, CDMA-V = Verizon)
Verizon (also Page Plus, RedPocket CDMA, Selectel) Light lavender roaming which is included on Selectel, extra-cost on others
AT&T (also H2O, Red Pocket GSMA, Airvoice, Jolt, Pure TalkUSA, Cricket
MetroPCS (also T-Mobile Prepaid, US Mobile, Ting GSM) includes lots of no extra cost voice & text only roaming, see GoSmart map for data coverage.
GoSmart Mobile (also Ultra Mobile, Spot, Simple Mobile, PTel, Lycamobile, T-Mobile and MetroPCS data)
Boost Mobile (also Virgin Mobile, Ting CDMA, Sprint Prepaid, FreedomPop, TPO, Tello, TextNow, RingPlus)
Updated 5/23/2016: Replaced T-Mobile map with MetroPCS one because T-Mobile's map doesn't distinguish between native and roaming coverage.