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The Meaning of Social Security Numbers
Did you know that a Social Security Number has meaning?  It can give you more than you think!

AAA-BB-CCCC

  1. Area Numbers / State Codes (see below for description of each code).

    • Applications before 1972: State where person applied for Social Security Card.

    • Applications after 1972: State where person resided when applied for SS Card.

  2. Group Numbers

    • Identifies fraudulent numbers, further defines those with same area number [first 3 digits] into smaller blocks.

  3. Serial Numbers

    • Randomly assigned, running consecutively from 0001 - 9999.

    Note:

     


Social Security Number State Codes

Certain numbers have been transferred from one State to another, creating duplicate numbers in the list below.  Duplicate numbers are also present is an an area has been divided.  New numbers, not listed here, were recently added for our growing populations.

  • 000, Invalid Number

  • 001-003, NH

  • 004-007, ME

  • 008-009, VT

  • 010-034, MA

  • 035-039, RI

  • 040-049, CT

  • 050-134, NY

  • 135-148, NJ

  • 159-211, PA

  • 212-220, MD

  • 223-231, VA

  • 232*, WV / NC

  • 233-236, WV

  • 237-246, NC

  • 247-251, SC

  • 252-260, GA

  • 261-267, FL

  • 268-302, OH

  • 303-317, IN

  • 318-361, IL

  • 362-386, MI

  • 387-399, WI

  • 400-407, KY

  • 408-415, TN

  • 416-424, AL

  • 425-428, MS

  • 429-432, AR

  • 433-439, LA

  • 440-448, OK

  • 449-467, TX

  • 468-477, MN

  • 478-485, IA

  • 486-500, MO

  • 501-502, ND

  • 503-504, SD

  • 505-508, NB

  • 509-515, KS

  • 516-517, MT

  • 518-519, ID

  • 520, WY

  • 521-524, CO

  • 525, NM

  • 526-527, AZ

  • 528-529, UT

  • 530, NV

  • 531-539, WA

  • 540-544, OR

  • 545-573, CA

  • 574, AK

  • 575-576, HI

  • 577-579, DC

  • 580*, PR

  • 581-584, PR

  • 585, NM

  • 586, Guam, Am Somoa, Philippine Is

  • 587, MS

  • 589-595, FL

  • 596-599, PR

  • 600-601, AZ

  • 602-626, CA

  • 627-645, TX

  • 646-647, UT

  • 648-649, NM

  • 654-658, SC

  • 667-675, GA

  • 680, NV

  • 700-728, RR Retirement Bd All States bef. Jul 1963

  • 764-765, AZ


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