Nope, you have to do it by phone and you will need to have the information of your expired passport, so when you arrive on the day of your appointment, everything will be ready for the process of the new document, bring current birth certificate and Dui, only Cash and the value exact, they do not give changes on $ 100 bills
Also send a message on facebook el salvador consulate in Manhattan Ami that worked for me and also go open at 8:00 am I hope the information will serve you.
W the one from Manhattan you can go to make your appointment in person
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