Three codes could be found in the HANK JOHNSON: NIA HQ post on the Investigate Ingress blog.

[1] j8us3t9r5bpaa5x

[2] fcwohodfhhgugvmdgtdwdodjfisugsdfbq

[3] s.v.g.9.9.1.0.5.3.1.4.100.3.9.6.8.y.g

Code #1

Observations

15 characters with the right amount of numbers for a valid passcode

Code #2

Observations

You’ll have to go with a regular cipher but alternate between 2 values

Code #3

Observations

Everything is there, just read it differently