Birth certificate number definition

All birth certificates issued by a U.S. State include an 11-digit number written in XXX-XX-XXXXXX format. The birth certificate number is formed by:

  • A 3-digit area code number.
  • A 2-digit year of registration, which is usually the year of birth.
  • A 6-digits serial registration number, assigned sequentially to each birth as it is filed.

Where is the document number on a birth certificate?

In all birth certificates issued in the United States of America, the birth certificate identificative number is located in the upper right corner of the certificate copy.

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