What do I do if I am not in a "hazardous duty station" but submitted taxes as if I was?

Your best options is to wait until the IRS has processed your return and sent your refund (if any). Then wait two to three months to see if you receive a letter from the IRS revising your original return. 

If you owe more tax, the IRS will recalculate the tax you owe and send you a bill. This is a fairly easy process and a lot less hassle than preparing an amended return, which has to be printed and mailed (no e-file).

For more info:

• Do I need to Amend?
• How to Amend a Return You Already Filed