Add Pages to a U.S. Passport If the visa/stamp pages in your passport are full or close to full and your passport is still valid and in good condition, you may apply either by mail or in person at the Embassy for additional pages to be added to your passport.  If you wish to apply in person, visit the Consular Section, Avda. Colombia 4300, Buenos Aires, Monday thru Friday from 8.30 am to 12 pm except holidays.  A third person may apply on your behalf with a written authorization signed by you. Only one set of extra pages (24 pages are in each set) can be added to your passport at a time. If you wish to add pages to your passport, please submit: • Your valid passport; • Passport form DS-4085: Application for Additional Visa Pages. • Fees: no fee is charged for this service. The process takes approximately 1 hour. No appointment is needed. Location:  Consular Section, Avda. Colombia 4300, 1425 Buenos Aires