USCIS Application Support Center (ASC), Holtsville

Address & Phone Number
Street Address
USCIS Application Support Center
30 Barretts Avenue
Holtsville, NY 11742

Areas served by this office

ASCs are located in specific places to accommodate customers located near them. Even though most ASCs provide the same services, if you need an ASC, please use the one nearest you.


This office provides services to I-90 applicants, by appointment, from 7:45AM to 3:45PM, Monday through Friday.

This office provides services to the general public by appointment from 8:00AM to 4:00PM, Monday through Friday.

Note:An appointment is required to visit this office.
Hours of Service for Military Members

Military Personal services provided from 9am-3pm M-F. NO APPOINTMENT NEEDED

Note:Military personnel do not need an appointment.
Parking, Transit and Accessibility

Parking is available near the office.

Public Transportation

Take the Long Island Railroad to either the Ronkonkoma Railroad Station or the Patchogue Railroad Station. From the Ronkonkoma Railroad Station take the S-7A bus South to the Patchogue Railroad Station. From the Patchogue Railroad Station take the S-63 bus North to Barretts Avenue. The S63 bus is scheduled to stop in front of the building.

Handicap Accessibility

This office is handicapped accessible.

Appointment Notices

The only after filing service that is provided by an ASC is fingerprinting. Fingerprinting services are by appointment only and are related to an application for an immigration benefit. You will be notified about an ASC appointment by mail. You should follow the instructions on the appointment notice to reschedule the appointment.

Filing Services

There are no direct filings of applications at an ASC.

Case Services

If you believe there is a problem with a case that you filed, you have moved, or you are in need of other services, the National Customer Service Center offers a variety of Case Services for a case that is pending or completed.

You should call the National Customer Service Center at 1-800-375-5283, during the hours we offer live assistance for information and assistance on Case Services.

Note: Application Support Centers do not directly provide Case Services assistance that is related to the status of applications or other associated services.