Social Security Number Prefixes by State
Prefix Lookup
Search historical SSN area numbers
| Prefix | State Code | State Name |
|---|---|---|
| 426 | MS | Mississippi |
| 427 | MS | Mississippi |
| 428 | MS | Mississippi |
| 429 | AR | Arkansas |
| 430 | AR | Arkansas |
| 431 | AR | Arkansas |
| 432 | AR | Arkansas |
| 433 | LA | Louisiana |
| 434 | LA | Louisiana |
| 435 | LA | Louisiana |
| 436 | LA | Louisiana |
| 437 | LA | Louisiana |
| 438 | LA | Louisiana |
| 439 | LA | Louisiana |
| 440 | OK | Oklahoma |
| 441 | OK | Oklahoma |
| 442 | OK | Oklahoma |
| 443 | OK | Oklahoma |
| 444 | OK | Oklahoma |
| 445 | OK | Oklahoma |