Why does my tracfone keep saying no service?

I have over 6,000 minutes and am paid up until Sept. 2020 but my tracfone keeps saying “no service”

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0