| Post Office | Fairfax |
| Division | Fairfax |
| Pincode | 22030 |
| Post Office | Annandale |
| Division | Fairfax |
| Pincode | 22003 |
| Post Office | Herndon |
| Division | Fairfax |
| Pincode | 20171 |
| Post Office | Burke |
| Division | Fairfax |
| Pincode | 22015 |
| Post Office | Herndon |
| Division | Fairfax |
| Pincode | 20170 |
| Post Office | Centreville |
| Division | Fairfax |
| Pincode | 20120 |
| Post Office | Fairfax |
| Division | Fairfax |
| Pincode | 22033 |
| Post Office | Lorton |
| Division | Fairfax |
| Pincode | 22079 |
| Post Office | Falls Church |
| Division | Fairfax |
| Pincode | 22042 |
24 City in Fairfax | List of Zip Codes Location In Virginia and Your selected County Fairfax