Attention All Users
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On June 25, 2011, Social Security changed the SSN assignment process.
The information below explains how we established and issued
SSNs prior to the new SSN assignment process. We continue to provide it strictly for
historical and informational purposes. Please see SSN Randomization
for more information on Social Security’s new assignment process and how it may affect you.
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Since 1973, social security numbers have been issued by our central office. The first three (3) digits of a person's
social security number are determined by the ZIP Code of the mailing address shown on the application for a social
security number. Prior to 1973, social security numbers were assigned by our field offices. The number merely
established that his/her card was issued by one of our offices in that State. See also
High Group List of SSN's.
THIS DATA IS STRICTLY FOR INFORMATIONAL PURPOSES
The chart below shows the first 3 digits of the social security numbers assigned throughout the United States and its
possessions. See "Note" at bottom of page.
| 001-003 |
New Hampshire |
|
261-267 |
Florida |
|
449-467 |
Texas |
|
531-539 |
Washington |
| 004-007 |
Maine |
|
589-595 |
|
|
627-645 |
|
|
540-544 |
Oregon |
| 008-009 |
Vermont |
|
766-772 |
|
|
468-477 |
Minnesota |
|
545-573 |
California |
| 010-034 |
Massachusetts |
|
268-302 |
Ohio |
|
478-485 |
Iowa |
|
602-626 |
|
| 035-039 |
Rhode Island |
|
303-317 |
Indiana |
|
486-500 |
Missouri |
|
574 |
Alaska |
| 040-049 |
Connecticut |
|
318-361 |
Illinois |
|
501-502 |
North Dakota |
|
575-576 |
Hawaii |
| 050-134 |
New York |
|
362-386 |
Michigan |
|
503-504 |
South Dakota |
|
750-751 |
|
| 135-158 |
New Jersey |
|
387-399 |
Wisconsin |
|
505-508 |
Nebraska |
|
577-579 |
District of Columbia |
| 159-211 |
Pennsylvania |
|
400-407 |
Kentucky |
|
509-515 |
Kansas |
|
580 |
Virgin Islands |
| 212-220 |
Maryland |
|
408-415 |
Tennessee |
|
516-517 |
Montana |
|
580-584 |
Puerto Rico |
| 221-222 |
Delaware |
|
756-763 |
|
|
518-519 |
Idaho |
|
596-599 |
|
| 223-231 |
Virginia |
|
416-424 |
Alabama |
|
520 |
Wyoming |
|
586 |
Guam |
| 691-699 |
|
|
425-428 |
Mississippi |
|
521-524 |
Colorado |
|
586 |
American Samoa |
| 232-236 |
West Virginia |
|
587-588 |
|
|
650-653 |
|
|
586 |
Philippine Islands |
| 232 |
North Carolina |
|
752-755 |
|
|
525,585 |
New Mexico |
|
700-728 |
Railroad Board** |
| 237-246 |
|
|
429-432 |
Arkansas |
|
648-649 |
|
|
729-733 |
Enumeration at Entry |
| 681-690 |
|
|
676-679 |
|
|
526-527 |
Arizona |
|
|
|
| 247-251 |
South Carolina |
|
433-439 |
Louisiana |
|
600-601 |
|
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| 654-658 |
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|
659-665 |
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|
764-765 |
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|
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| 252-260 |
Georgia |
|
440-448 |
Oklahoma |
|
528-529 |
Utah |
|
|
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| 667-675 |
|
|
530,680 |
Nevada |
|
646-647 |
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NOTE: The same area, when shown more than once, means that certain numbers have been
transferred from one State to another, or that an area has been divided for use among certain geographic locations.
Any number beginning with 000 will NEVER be a valid SSN.
The information in our records about an individual is confidential by law and cannot be disclosed except in certain very
restricted cases permitted by regulations.
** 700-728 Issuance of these numbers to railroad employees was discontinued July 1, 1963.
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