How are social security numbers assigned at birth?

Through EAB, the bureaus of vital statistics electronically send birth registration information to Social Security, and we assign a number and issue a card.
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How are the first 3 digits of your Social Security number determined?

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.
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How are Social Security numbers assigned to babies?

The easiest way to get a Social Security number for your newborn is to apply when you provide information for your baby's birth certificate in the hospital. If you wait to apply for a number at a Social Security office, there may be delays while we verify your child's birth certificate.
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Are Social Security numbers automatically assigned at birth?

Most people apply for their child's Social Security number at birth, usually at the hospital. When the time comes for your child's first job, the number is already in place.
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How long does it take for a newborn baby to get a Social Security number?

How long does it take to get a Social Security number for your child? Generally, it takes between four to five weeks to receive the Social Security number and card if you had submitted the application at the hospital. However, this might vary depending on the state where you live.
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Social Security Cards Explained



What do the last four digits of SSN mean?

The first set of three digits is called the Area Number. The second set of two digits is called the Group Number. The final set of four digits is the Serial Number.
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Are Social Security numbers reused?

To date, 453.7 million different numbers have been issued. Q20: Are Social Security numbers reused after a person dies? A: No. We do not reassign a Social Security number (SSN) after the number holder's death.
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What is birth enumeration?

Enumeration at birth (EAB) is a program that allows parents to complete applications for SSNs for their newborns as part of the hospital birth registration process. About 99% of SSNs for infants are assigned through the EAB process.
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Can someone have the same last 4 digits of SSN?

Only the last four digits of your Social Security number are truly random and unique. The first five numbers represent when and where your Social Security card was issued. Scammers can figure out the first five numbers by determining your birth date and hometown.
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Do twins have the same Social Security number?

We found that similarity between the Social Security Numbers of twin pairs varies markedly by age, and MZ twin pairs have significantly more similar Social Security Numbers than DZ pairs at all ages. Among older twins, there are also significant differences by sex and race.
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What does a SSN starting with 9 mean?

The Social Security Administration does not issue SSNs beginning with the number 9. Numbers beginning with a “9” may be a Social Security Administration issued Individual Taxpayer Identification Number (ITIN). An ITIN is a tax processing number issued by the IRS that has 9 digits beginning with the number 9.
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When did Enumeration at birth start?

In August 1987, SSA began a three-state pilot of the "Enumeration at Birth" ( EAB ) process in which the parent of a newborn can request an SSN as part of the state's birth registration process. Additional states began to participate in EAB in July 1988.
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How long does it take to get Social Security card?

Processing time for SSN applications is approximately 8-10 weeks.
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How do I apply for a Social Security card?

For assistance call us at 1-800-772-1213 or visit our website at www.socialsecurity.gov. To apply for an original card, you must provide at least two documents to prove age, identity, and U.S. citizenship or current lawful, work-authorized immigration status.
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Does your SSN tell your age?

The Serial Number, itself, doesn't say anything about your location or age that the Group Number and Area Number don't already say, although since they are assigned consecutively, they could potentially reveal your relative age within a Group and an Area.
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Who has Social Security Number 1?

This particular record, (055-09-0001) belonged to John D. Sweeney, Jr., age 23, of New Rochelle, New York. The next day, newspapers around the country announced that Sweeney had been issued the first SSN.
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How do I decode my Social Security number?

How to Decipher a Social Security Number
  1. The first three digits are known as the "area number". ...
  2. The second two numbers are known as the "group numbers". ...
  3. The third set of four numbers is simply the numerical sequence of digits 0001 to 9999 issued within each group.
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Why do I have 2 Social Security numbers?

Many of the duplicate numbers were the result of data entry errors as opposed to deliberate falsification, but the fact that these multiple numbers exist shows that it may be difficult for an organization to rely solely on the SSN to verify an individual's identity.
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How many combinations of SSN are there?

To date, 450+ million SSNs have been issued, but with just under 1 billion possible number combinations, there has never been a need to recycle numbers, and the SSA notes that it does “not reassign a Social Security number (SSN) after the number holder's death.” Of course, at some point the numbers will run out and ...
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How do they not run out of Social Security numbers?

What is Social Security Number (SSN) Randomization? The project is a forward looking initiative of the Social Security Administration (SSA) to help protect the integrity of the SSN by establishing a new randomized assignment methodology. SSN Randomization will also extend the longevity of the nine-digit SSN nationwide.
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What does the middle number of your Social Security mean?

The middle section of numbers is simply there to make administration easier for the SSA. The group number ranges from 01 to 99 and allows Social Security Numbers with the same area number to be broken into smaller pairings. Geographic data is not indicated by the group number.
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Can you change your SSN?

You can't change your Social Security number simply because your card has been lost or stolen, or to avoid bankruptcy or legitimate debts. The only other reasons Social Security will consider assigning a new number are: Sequential numbers assigned to members of your family are causing confusion.
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What are the red numbers on the back of a Social Security card?

7. Sequential Control Number. On the rear of a legitimate card there is a sequential control number. The control number is a combination of alpha and numeric that bears no relation to the actual social security number on the card.
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Is your Social Security number linked to a Federal Reserve bank account?

Social Security number not linked to account

The Fed's site states: "A recent hoax circulating on the internet asserts that the Federal Reserve maintains accounts for individuals that are tied to the individual's Social Security number, and that individuals can access these accounts to pay bills and obtain money.
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