Procedures

USCIS Offices in Maine — where to process immigration

Name: USCIS domestic field offices directory (93 offices)
Creator: MigrantUSA
License: https://migrantusa.com/terms/

List of USCIS local offices (Field Offices and Application Support Centers) in Maine for biometric appointments, citizenship interviews, and other immigration matters.

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USCIS Offices in Maine

USCIS operates Field Offices and Application Support Centers (ASC) in Maine for:

Naturalization interviews (N-400)
Biometrics (fingerprints + photo)
Marriage/I-485 interviews
Administrative appointments
Document pickup

Offices in Maine

Boston MA (covers ME)

For exact address + hours + appointment scheduling, use USCIS official locator: → USCIS Office Locator

How to schedule USCIS appointment

USCIS does NOT allow walk-ins generally. You need appointment:

Automatic notices (biometrics, interviews): USCIS sends by mail
InfoPass appointment: for in-person inquiries — schedule via myUSCIS.com
Emergencies: call USCIS Contact Center 1-800-375-5283

What to bring

☐ Appointment letter (printed or digital)
☐ Photo ID
☐ All USCIS receipts related to your case
☐ Valid passport
☐ Additional documents requested in your appointment letter
☐ Arrive 15 minutes early (security may take time)

Last verified: 2026-05-24.

Additional USCIS resources for Maine

Field Offices vs Application Support Centers (ASC)

Field Offices: large offices where interviews are held (naturalization, asylum, adjustment of status). Generally 1-2 per large state, 0-1 for small states.
ASCs: smaller centers only for biometrics. Generally 2-5 per state.

How to know where your appointment is

Your USCIS letter (I-797 receipt or I-797C action notice) indicates exact office
myUSCIS account online shows status + appointment location

Address change (CRITICAL)

If you move AFTER submitting your USCIS petition:

Change address via Form AR-11 (free, online: uscis.gov/ar-11) — WITHIN 10 DAYS of moving
Notify USCIS for each pending case (myUSCIS account → Update address)
Verify mail forwarding (USPS Change of Address)

USCIS emergency contacts

Senator/Congressman office — can help with stalled cases or problems (free, contact your representative)
USCIS Ombudsman: for systemic issues
CIS Ombudsman Case Assistance Form: dhs.gov/case-assistance
Attorney/BIA-accredited rep: for complex cases

Keep your info current

Name change (marriage, divorce): Form I-90 for green card or N-565 for naturalization certificate
Job change (if work visa case): notify via sponsor attorney
Status or program change (DACA expired, asylum granted): update immediately

Last verified: 2026-05-24.

General procedural information for educational purposes. Not legal, tax, or immigration advice. Laws and fees change — verify with the issuing agency before taking action. For case-specific guidance, consult a licensed immigration attorney or other appropriate professional.

USCIS field offices serving Maine (verified 2026-05-26)

USCIS publishes 1 field office that serves addresses in Maine. Source: uscis.gov/about-us/find-a-uscis-office/field-offices.

Office	Address	District	Region	Service Center	ZIPs served	District HQ
Portland	207 Gannett Drive, South Portland, ME 04106	Boston	NE	VSC	510 ZIPs	—

To find which specific office handles your ZIP code, use the USCIS ZIP lookup at the source URL above. Field-office assignment is based on your home ZIP, not the location where you file.

Consulate of your country in the US — passport renewal, consular ID, document apostille
ITIN — file federal taxes without SSN — required regardless of immigration status
USCIS form library — federal immigration forms (I-130, I-485, N-400, etc.)
Find an immigration attorney — pro bono lists + AILA + BIA-recognized
Know Your Rights — ICE encounters — constitutional protections

USCIS offices serving Maine

1 locations/organizations on record in Maine. Always verify directly before visiting.

Portland
South Portland
207 Gannett Drive

Frequently asked questions

Do I need an appointment to visit a USCIS office in Maine?

DEPENDS on purpose. For biometrics (fingerprints/photo): NO walk-in allowed — only with appointment on your notice. For naturalization or asylum interviews: appointment only. For ‘InfoPass’ (case questions): schedule via myUSCIS account online — few walk-in slots available.

What is Application Support Center (ASC) and how many in Maine?

ASCs are centers where USCIS takes biometrics (fingerprints, photos, signature) for all cases. Maine has 1-4 ASCs depending on state size. Find yours via myUSCIS when you receive your appointment notice.

Can I reschedule my USCIS appointment in Maine?

YES. Reschedule via myUSCIS account (fastest) or by calling 1-800-375-5283. DON’T no-show without notice — that can cause case denial. Rescheduling free 1-2 times, but abuse can cause delays.

What to bring to my USCIS appointment in Maine?

APPOINTMENT NOTICE (USCIS letter with appointment number), 2) photo ID (passport, green card, EAD), 3) Copy of your ENTIRE USCIS petition, 4) Any additional documents requested in letter. DON’T bring active phones during biometrics (some centers don’t allow phones inside).

The rules change. Hear about it first.

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General information, not legal advice. MigrantUSA is an independent publisher and is not a law firm; using this site does not create an attorney-client relationship, and this content is not a substitute for advice from a licensed attorney about your specific situation. US federal, state, and local government procedures, fees, and forms change. Always verify current details directly with the relevant agency before acting. For immigration, tax, or other legal matters specific to your situation, consult a licensed attorney or BIA-accredited representative.