Three codes could be found in the FOLLOWUP: PRIME INTEL post on the Investigate Ingress blog.
[1] d4hd8d3a2xasr4z
[2] cmx34ofrar754mm
[3] 7a9a78a8a9898c8e8d7b889a87afafae8f98
Code #1
Observations
15 characters with the right amount of numbers for a valid passcode
Code #2
Observations
Passcode format is there, go through your regular cipher routine
Code #3
Observations
Looks like hex but need a bit of tweaking