Out of 487 ZIP codes with data in Virginia, these are mapped to counties in EPA Radon Zone 1. See also: National ZIP Codes in EPA Radon Zone 1 | All Virginia Rankings
| Statistic | Value |
|---|---|
| ZIP codes ranked | 487 |
| Lowest value | Zone 1 (highest potential) |
| Median value | Zone 1 (highest potential) |
| State | Virginia |
ZIP Codes in EPA Radon Zone 1
| Rank | ZIP Code | City | State | Radon Zone | Safety Score |
|---|---|---|---|---|---|
| 1 | 24019 | Roanoke | VA | Zone 1 (highest potential) | 48/100 |
| 2 | 20151 | Chantilly | VA | Zone 1 (highest potential) | 50/100 |
| 3 | 20170 | Herndon | VA | Zone 1 (highest potential) | 50/100 |
| 4 | 20171 | Herndon | VA | Zone 1 (highest potential) | 50/100 |
| 5 | 20190 | Reston | VA | Zone 1 (highest potential) | 50/100 |
| 6 | 20191 | Reston | VA | Zone 1 (highest potential) | 50/100 |
| 7 | 20194 | Reston | VA | Zone 1 (highest potential) | 50/100 |
| 8 | 22015 | Burke | VA | Zone 1 (highest potential) | 50/100 |
| 9 | 22027 | Dunn Loring | VA | Zone 1 (highest potential) | 50/100 |
| 10 | 22032 | Fairfax | VA | Zone 1 (highest potential) | 50/100 |
| 11 | 22033 | Fairfax | VA | Zone 1 (highest potential) | 50/100 |
| 12 | 22039 | Fairfax Station | VA | Zone 1 (highest potential) | 50/100 |
| 13 | 22060 | Fort Belvoir | VA | Zone 1 (highest potential) | 50/100 |
| 14 | 22066 | Great Falls | VA | Zone 1 (highest potential) | 50/100 |
| 15 | 22079 | Lorton | VA | Zone 1 (highest potential) | 50/100 |
| 16 | 22102 | Mc Lean | VA | Zone 1 (highest potential) | 50/100 |
| 17 | 22124 | Oakton | VA | Zone 1 (highest potential) | 50/100 |
| 18 | 22180 | Vienna | VA | Zone 1 (highest potential) | 50/100 |
| 19 | 22181 | Vienna | VA | Zone 1 (highest potential) | 50/100 |
| 20 | 22182 | Vienna | VA | Zone 1 (highest potential) | 50/100 |
| 21 | 22303 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 22 | 22306 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 23 | 22307 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 24 | 22308 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 25 | 22309 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 26 | 22310 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 27 | 22312 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 28 | 22315 | Alexandria | VA | Zone 1 (highest potential) | 50/100 |
| 29 | 22405 | Fredericksburg | VA | Zone 1 (highest potential) | 50/100 |
| 30 | 22406 | Fredericksburg | VA | Zone 1 (highest potential) | 50/100 |
| 31 | 22554 | Stafford | VA | Zone 1 (highest potential) | 50/100 |
| 32 | 22556 | Stafford | VA | Zone 1 (highest potential) | 50/100 |
| 33 | 24018 | Roanoke | VA | Zone 1 (highest potential) | 50/100 |
| 34 | 24124 | Narrows | VA | Zone 1 (highest potential) | 50/100 |
| 35 | 24134 | Pearisburg | VA | Zone 1 (highest potential) | 50/100 |
| 36 | 24153 | Salem | VA | Zone 1 (highest potential) | 50/100 |
| 37 | 22815 | Broadway | VA | Zone 1 (highest potential) | 63/100 |
| 38 | 22853 | Timberville | VA | Zone 1 (highest potential) | 63/100 |
| 39 | 22602 | Winchester | VA | Zone 1 (highest potential) | 64/100 |
| 40 | 22655 | Stephens City | VA | Zone 1 (highest potential) | 64/100 |
| 41 | 24382 | Wytheville | VA | Zone 1 (highest potential) | 64/100 |
| 42 | 22601 | Winchester | VA | Zone 1 (highest potential) | 65/100 |
| 43 | 22603 | Winchester | VA | Zone 1 (highest potential) | 65/100 |
| 44 | 22821 | Dayton | VA | Zone 1 (highest potential) | 65/100 |
| 45 | 24060 | Blacksburg | VA | Zone 1 (highest potential) | 65/100 |
| 46 | 24360 | Max Meadows | VA | Zone 1 (highest potential) | 65/100 |
| 47 | 22812 | Bridgewater | VA | Zone 1 (highest potential) | 66/100 |
| 48 | 22840 | Mc Gaheysville | VA | Zone 1 (highest potential) | 66/100 |
| 49 | 22846 | Penn Laird | VA | Zone 1 (highest potential) | 66/100 |
| 50 | 24202 | Bristol | VA | Zone 1 (highest potential) | 66/100 |
| 51 | 24441 | Grottoes | VA | Zone 1 (highest potential) | 66/100 |
| 52 | 22831 | Hinton | VA | Zone 1 (highest potential) | 67/100 |
| 53 | 23120 | Moseley | VA | Zone 1 (highest potential) | 67/100 |
| 54 | 23236 | Richmond | VA | Zone 1 (highest potential) | 67/100 |
| 55 | 23237 | Richmond | VA | Zone 1 (highest potential) | 67/100 |
| 56 | 23832 | Chesterfield | VA | Zone 1 (highest potential) | 67/100 |
| 57 | 23838 | Chesterfield | VA | Zone 1 (highest potential) | 67/100 |
| 58 | 20130 | Paris | VA | Zone 1 (highest potential) | — |
| 59 | 20135 | Bluemont | VA | Zone 1 (highest potential) | — |
| 60 | 22030 | Fairfax | VA | Zone 1 (highest potential) | — |
| 61 | 22031 | Fairfax | VA | Zone 1 (highest potential) | — |
Methodology
This ranking is limited to EPA county-level radon zone classification. Zone 1 is an EPA county-level radon-potential category; it does not measure a home or establish whether any building is above an action level. Within Zone 1, ZIP codes are sub-ranked by Home Safety Score to organize area context.
Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-10-19.
Frequently Asked Questions
What is EPA Radon Zone 1?
Zone 1 is an EPA county-level radon-potential category. It is not a measurement for a home and cannot determine whether a building is above an action level. A home test is required for that decision.
Should I test for radon?
The EPA recommends testing all homes regardless of radon zone. A DIY test kit costs $15-40. Professional testing costs $150-250. If levels exceed 4 pCi/L, mitigation systems ($800-2,500) can reduce radon by up to 99%.
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