| Prefix/Exchange | Location |
|---|---|
| 628-200 | San Francisco |
| 628-206 | San Francisco |
| 628-221 | San Francisco |
| 628-222 | San Francisco |
| 628-223 | San Francisco |
| 628-224 | San Francisco |
| 628-225 | San Francisco |
| 628-227 | San Francisco |
| 628-233 | San Francisco |
| 628-234 | San Francisco |
| 628-242 | San Francisco |
| 628-300 | San Francisco |
| 628-333 | San Francisco |
| 628-400 | San Francisco |
| 628-444 | San Francisco |
| 628-500 | San Francisco |
| 628-600 | San Francisco |
| 628-777 | San Francisco |
| 628-800 | San Francisco |
| 628-888 | San Francisco |
| 628-900 | San Francisco |
| 628-999 | San Francisco |