Social Security Number Prefixes

001-003	New Hampshire
004-007	Maine
008-009	Vermont
010-034	Mass.
135-158	New Jersey
035-039	Rhode Island
040-049	Conn.
050-134	New York
135-158	New Jersey
159-
211	Penn.
212-220	Maryland
221-222	Delaware
223-231	Virginia
232-236	West Virginia
237-246	North Carolina
247-251	South Carolina
252-260	Georgia
261-267	Florida
268-302	Ohio
303-317	Indiana
318-361	Illinois
362-386	Michigan
387-399	Wisconsin
400-407	Kentucky
408-415	Tennessee
416-424	Alabama
425-428	Mississippi
429-432	Arkansas
433-439	Louisiana
440-448	Oklahoma
449-467	Texas
468-477	Minnesota
478-485	Iowa
486-500	Missouri
501-502	North Dakota
503-504	South Dakota
505-508	Nebraska
509-515	Kansas
516-517	Montana
518-519	Idaho
520	Wyoming
521-524	Colorado
525, & 585	New Mexico
526-527	Arizona
528-529	Utah
530	Nevada
531-539	Washington
540-544	Oregon
545-573	California
574	Alaska
575-576	Hawaii
577-579	District of Columbia
580	Virgin Island
581-585	Puerto Rico, Guam, American Samoa, Philippines Island
700-729	Railroad

More about the numbers at the SSA site