Yes, you may withdraw money from your 403(b) while you are still employed, but only if you are 59 ½ or older, or qualify for a hardship withdrawal requests. There is a 10% penalty for early withdrawal.
Yes, you may withdraw money from your 457(b) while you are still employed, but only if you are 59 ½ or older or qualify for an unforeseeable emergency.
Requests for unforeseeable emergencies are administered by Nationwide.