| Zip code | Name | Area Code(s) |
| 20101 Dulles (703/571) |
| 20101 Dulles P & D Center (703/571) |
| 20102 Dulles (703/571) |
| 20102 Dulles Air Mail Facility (703/571) |
| 20102 Dulles Air Transfer Office (703/571) |
| 20103 Dulles (703/571) |
| 20103 Stamp Distribution Network (703/571) |
| 20104 Dulles (703/571) |
| 20104 Inspection Service Forensic (703/571) |
| 20105 Aldie (703/571) |
| 20105 Stone Ridge (703/571) |
| 20106 Amissville (540) |
| 20106 Viewtown (540) |
| 20108 Manassas (703/571) |
| 20109 Manassas (703/571) |
| 20109 Sudley Springs (703/571) |
| 20110 Manassas (703/571) |
| 20111 Manassas (703/571) |
| 20111 Manassas Park (703/571) |
| 20112 Manassas (703/571) |
| 20113 Manassas (703/571) |
| 20115 Marshall (540) |
| 20116 Marshall (540) |
| 20117 Middleburg (540) |
| 20118 Middleburg (540) |
| 20119 Catlett (540) |
| 20120 Centreville (703/571) |
| 20120 Sully Station (703/571) |
| 20121 Centreville (703/571) |
| 20122 Centreville (703/571) |
| 20124 Clifton (703/571) |
| 20128 Orlean (540) |
| 20129 Paeonian Springs (540) |
| 20130 Paris (540) |
| 20131 Philomont (540) |
| 20132 Hillsboro (540) |
| 20132 Purcellville (540) |
| 20134 Hillsboro (540) |
| 20134 Purcellville (540) |
| 20135 Bluemont (540) |
| 20135 Mount Weather (540) |
| 20136 Bristow (703/571) |
| 20137 Broad Run (540) |
| 20138 Calverton (540) |
| 20139 Casanova (540) |
| 20140 Rectortown (540) |
| 20141 Round Hill (540) |
| 20142 Round Hill (540) |
| 20143 Catharpin (703/571) |
| 20144 Delaplane (540) |
| 20146 Ashburn (703/571) |
| 20147 Ashburn (703/571) |
| 20148 Arcola (703/571) |
| 20148 Ashburn (703/571) |
| 20148 Brambleton (703/571) |
| 20148 Broadlands (703/571) |
| 20149 Ashburn (703/571) |
| 20149 National Assn Letter Carriers (703/571) |
| 20151 Chantilly (703/571) |
| 20151 Fairfax (703/571) |
| 20152 Chantilly (703/571) |
| 20152 Fairfax (703/571) |
| 20152 South Riding (703/571) |
| 20153 Chantilly (703/571) |
| 20153 Fairfax (703/571) |
| 20155 Gainesville (703/571) |
| 20156 Gainesville (703/571) |
| 20158 Hamilton (540) |
| 20159 Hamilton (540) |
| 20160 Lincoln (540) |
| 20160 Purcellville (540) |
| 20163 Dulles (703/571) |
| 20163 Sterling (703/571) |
| 20164 Sterling (703/571) |
| 20165 Potomac Falls (703/571) |
| 20165 Sterling (703/571) |
| 20166 Dulles (703/571) |
| 20166 Sterling (703/571) |
| 20167 Sterling (703/571) |
| 20168 Haymarket (703/571) |
| 20169 Haymarket (703/571) |
| 20170 Herndon (703/571) |
| 20171 Herndon (703/571) |
| 20171 Oak Hill (703/571) |
| 20172 Herndon (703/571) |
| 20175 Leesburg (703/571) |
| 20176 Lansdowne (703/571) |
| 20176 Leesburg (703/571) |
| 20176 Lucketts (703/571) |
| 20177 Leesburg (703/571) |
| 20178 Leesburg (703/571) |
| 20180 Lovettsville (540) |
| 20181 Nokesville (703/571) |
| 20182 Nokesville (703/571) |
| 20184 Upperville (540) |
| 20185 Upperville (540) |
| 20186 Airlie (540) |
| 20186 Opal (540) |
| 20186 Warrenton (540) |
| 20187 New Baltimore (540) |
| 20187 Vint Hill Farms (540) |
| 20187 Vint Hill Frm (540) |
| 20187 Warrenton (540) |
| 20188 Vint Hill Farms (540) |
| 20188 Vint Hill Frm (540) |
| 20188 Warrenton (540) |
| 20189 Dulles (540) |
| 20190 Herndon (703/571) |
| 20190 Reston (703/571) |
| 20191 Herndon (703/571) |
| 20191 Reston (703/571) |
| 20192 Herndon (703/571) |
| 20192 Hundon (703/571) |
| 20192 Reston (703/571) |
| 20192 U S Geological Survey (703/571) |
| 20194 Herndon (703/571) |
| 20194 Reston (703/571) |
| 20195 Herndon (703/571) |
| 20195 Reston (703/571) |
| 20196 Herndon (703/571) |
| 20196 Hundon (703/571) |
| 20196 Reston (703/571) |
| 20196 Sprint (703/571) |
| 20197 Waterford (540) |
| 20198 The Plns (540) |
| 20598 Alexandria (202) |
| 20598 Arlington (202) |
| 20598 Dept HS (202) |
| 20598 DHS (202) |
| 20598 Fairfax (202) |
| 20598 Falls Church (202) |
| 20598 Herndon (202) |
| 20598 Lorton (202) |
| 20598 Mc Lean (202) |
| 20598 McLean (202) |
| 20598 Reston (202) |
| 20598 Springfield (202) |
| 20598 Sterling (202) |