Social Security Number Prefixes by State
Prefix Lookup
Search historical SSN area numbers
| Prefix | State Code | State Name |
|---|---|---|
| 556 | CA | California |
| 556 | NM | New Mexico |
| 557 | NM | New Mexico |
| 557 | CA | California |
| 558 | CA | California |
| 558 | NM | New Mexico |
| 559 | CA | California |
| 559 | NM | New Mexico |
| 560 | CA | California |
| 560 | NM | New Mexico |
| 561 | NM | New Mexico |
| 561 | CA | California |
| 562 | NM | New Mexico |
| 562 | CA | California |
| 563 | CA | California |
| 563 | NM | New Mexico |
| 564 | CA | California |
| 564 | NM | New Mexico |
| 565 | CA | California |
| 565 | NM | New Mexico |