Social Security Number Prefixes for Guam
Area numbers 586
- area range
- 1
- lowest area number
- 586
- highest area number
- 586
- area numbers
- 1
Guam was assigned the Social Security area-number range 586. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in Guam, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.
Guam area-number ranges
| Area-number range | Count |
|---|---|
| 586 | 1 |
Sample Guam SSN patterns
Estimated issue years for the lowest area/group combinations (illustrative):
| Pattern | Status |
|---|---|
| 586-01-#### | Valid |
| 586-03-#### | Valid |
| 586-05-#### | Valid |
| 586-07-#### | Valid |
| 586-09-#### | Valid |
| 586-10-#### | Valid |
| 586-12-#### | Valid |
| 586-14-#### | Valid |
| 586-16-#### | Valid |
| 586-18-#### | Valid |
| 586-20-#### | Valid |
| 586-22-#### | Valid |
| 586-24-#### | Valid |
| 586-26-#### | Valid |
| 586-28-#### | Valid |
| 586-30-#### | Valid |
| 586-32-#### | Valid |
| 586-34-#### | Valid |
| 586-36-#### | Valid |
| 586-38-#### | Valid |
| 586-40-#### | Valid |
| 586-42-#### | Valid |
| 586-44-#### | Valid |
| 586-46-#### | Valid |
Frequently asked questions
- What are the SSN prefixes for Guam?
- Guam was assigned the area-number range 586. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
- Does an SSN starting with 586 mean the person is from Guam?
- For cards issued before June 25, 2011, an SSN whose first three digits fall in Guam's range was issued in Guam, usually based on the mailing address on the application, not necessarily birthplace. Numbers issued after randomization carry no location meaning.
- How can I check a specific number?
- Use the SSN checker to enter a full number and see whether its structure is valid, which state it maps to, and a rough estimate of when it was issued.
Check a specific number with the SSN checker, or see all states.