Social Security Number Prefixes by State
Prefix Lookup
Search historical SSN area numbers
| Prefix | State Code | State Name |
|---|---|---|
| 566 | CA | California |
| 566 | NM | New Mexico |
| 567 | NM | New Mexico |
| 567 | CA | California |
| 568 | NM | New Mexico |
| 568 | CA | California |
| 569 | CA | California |
| 569 | NM | New Mexico |
| 570 | CA | California |
| 570 | NM | New Mexico |
| 571 | CA | California |
| 571 | NM | New Mexico |
| 572 | CA | California |
| 572 | NM | New Mexico |
| 573 | NM | New Mexico |
| 573 | CA | California |
| 574 | AK | Alaska |
| 574 | NM | New Mexico |
| 575 | HI | Hawaii |
| 575 | NM | New Mexico |