Change of Filing Address for N-400 Application for Naturalization

The USCIS has revised the filing addresses for the N-400 Application for Naturalization effective December 17, 2009. The following are the correct filing addresses depending on the the applicant's state of residence:

If you currently reside in Alaska, Arizona, California, Colorado,
Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota,
Missouri, Montana, Nebraska, Nevada, North Dakota, Ohio, Oregon, South
Dakota, Utah, Washington, Wisconsin, Wyoming, Guam or the Commonwealth
of the Northern Mariana Islands, send your application to the USCIS
Lockbox Facility at:
USCIS
P.O. Box 21251
Phoenix, AZ 85036
For express/courier deliveries, use:
USCIS
Attn: N-400
1820 E Skyharbor Circle S, Suite 100
Phoenix, AZ 85034

If you reside in Alabama, Arkansas, Connecticut, Delaware, District of
Columbia, Florida, Georgia, Kentucky, Louisiana, Maine, Maryland,
Massachusetts, Mississippi, New Hampshire, New Jersey, New Mexico, New
York, North Carolina, Oklahoma, Pennsylvania, Rhode Island, South
Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Puerto
Rico or the U.S. Virgin Islands, send your application to the USCIS
Lockbox Facility at:
USCIS
P.O. Box 660060
Dallas, TX 75266
For express/courier deliveries, use:
USCIS
Attn: N-400
2501 S State Hwy 121, Business Suite 400
Lewisville, TX 75067

All naturalization applicants filing under the military provisions, section
328 or 329, should file their application at the Nebraska Service
Center regardless of geographic location or jurisdiction. Please send
your application to:
Nebraska Service Center
P.O. Box 87426
Lincoln, NE 68501-7426
For express/courier deliveries, use:
Nebraska Service Center
850 S Street
Lincoln, NE 68508