When I try to enter my state for box 15, it does not have my state on the list of states and it will not allow me to enter it manually.

[starcobyjax-gmai]

I need to enter my state and there is not an option to manually input my information

[dmertz]

States that have no income tax, and therefore no income tax withholding, are not listed.

[VolvoGirl]

Your state does not have an income tax. Leave W2 boxes 15-17 Blank.