Dedicated professionals in immmigration law

 The Oh Law Firm and its Lawyers are not responsible for reliance by the reader on this information as each individual situation may be unique and different. The readers are advised to seek legal counsel from a qualified immigration attorney. The information stated here is subject to change.

(INS National Consumer Service Center: 800-375-5283)

(Application Support Centers, ASC: 800-870-3676)

USCIS Online Processing Times Reports (Local District Offices, Service Centers)

AILA 's Processing Time Reports of Agencies (USCIS,DOL)


Service Center Addresses:

Note: Addresses vary depending upon the type of Proceeding

Nebraska Service Center

850 "S" Street, Lincoln, Nebraska 68508

Texas Service Center

4141 St. Augustine Rd.
Dallas, Texas 75227
Fax Inquiry Numbers for Each Product Line:
Premium Processing: 214-962-5525
Business: 214-962-5520
Adjustment of Status: 214-962-5441
Family: 214-962-5442
Naturalization: 214-489-4049

Vermont Service Center

75 Lower Welden Street
Saint Albans, Vermont 05479-0001

California Service Center

24000 Avila Road
2nd Floor, Info-Desk
Laguna Niguel, California 92677

Missouri Service Center:



NSC: Nebraska Service Center
TSC: Texas Service Center
VSC: Vermont Service Center
CSC: California Service Center
MSC: Missouri Service Center
NI: Nonimmigrant
EB: Employment Based
EB-1: Employment Based First Preference
EB-2: Employment Based Second Preference
EB-3: Employment Based Third Preference
FB: Family Based
COS: Change of Status
EOS: Extension of Status
EAD: Employment Authorization Document