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archive:fun:decsocsec

Article 2148 (25 more) in alt.privacy: From: hhll@milton.u.washington.edu (Steven Hodas) Subject: Decoding Social Security numbers Date: 8 Sep 92 07:27:03 GMT Organization: University of Washington Lines: 43

I found this on CI$:

Decoding the Social Security Number (from "Social-Security-Numbers And Other Telling Information:" by Simson Garfinkel, published in the Whole Earth Review, Fall 1989)

The first three digits of a person's Social Security Number indicate the state that the person was living in at the time the number was assigned (see table). The exceptions to this rule are numbers in the 700-729 range, which were issued by the Railroad Retirement agency, the only such retirement plan to have its own block of SSNs.

The fourth and fifth digits indicate the group number. The sequence is reported to be odd numbers from 01-09, then even numbers from 10-98, then even numbers 02-08, and finally odd numbers 11-99. All numbers issued before 1965 are either odd numbers between 01 and 09, or even numbers between 10 and 98. The last four digits are the "serial number," and run from 0001 to 9999…

001-003 New Hampshire 318-361 Illinois 520 Wyoming 004-007 Maine 362-386 Michigan 521-524 Colorado 008-009 Vermont 387-399 Wisonsin 525 New Mexico 010-034 Massachusetts 400-407 Kentucky 585 New Mexico 035-039 Rhode Island 408-415 Tennessee 526-527 Arizona 040-049 Connecticut 416-424 Alabama 528-529 Utah 050-134 New York 425-428 Mississippi 530 Nevada 135-158 New Jersey 587-588 Mississippi 531-539 Washington 159-211 Pennsylvania 429-432 Arkansas 540-544 Oregon 212-220 Maryland 433-439 Louisiana 545-573 California 221-222 Delaware 440-448 Oklahoma 574 Alaska 223-231 Virginia 449-467 Texas 575-576 Hawaii 232-236 West Virginia 468-477 Minnesota 577-579 Washington, DC 232 N. Carolina (1) 478-485 Iowa 580 Virgin Islands 237-246 N. Carolina 486-500 Missouri 580-584 Puerto Rico 247-251 S. Carolina 501-502 N. Dakota 586 Guam 252-260 Georgia 503-504 S. Dakota 586 American Samoa 261-267 Florida 505-508 Nebraska 586 Phillipine Islands 589-595 Florida 509-515 Kansas 700-729 Railroad Retirement 268-302 Ohio 516-517 Montana 303-317 Indiana 518-519 Idaho

(1) Number 232, with middle digits 30, has been allocated to North Carolina from West Virginia.

/data/webs/external/dokuwiki/data/pages/archive/fun/decsocsec.txt · Last modified: 2002/04/26 03:28 (external edit)