US United States Major Regions Postal Code Details

๐Ÿ›๏ธ Loudoun ยท Virginia
20105
Aldie
Aldie loudoun virginia 20105 United States
20598
Alexandria
Alexandria loudoun virginia 20598 United States
20166
Arcola
Arcola loudoun virginia 20166 United States
20598
Arlington
Arlington loudoun virginia 20598 United States
20149
Ashburn
Ashburn loudoun virginia 20149 United States
20148
Brambleton
Brambleton loudoun virginia 20148 United States
20148
Broadlands
Broadlands loudoun virginia 20148 United States
20598
Chantilly
Chantilly loudoun virginia 20598 United States
20598
Dept HS
Dept HS loudoun virginia 20598 United States
20598
DHS
DHS loudoun virginia 20598 United States
20103
Dulles
Dulles loudoun virginia 20103 United States
20102
Dulles Air Transfer Office
Dulles Air Transfer Office loudoun virginia 20102 United States
20101
Dulles P & D Center
Dulles P & D Center loudoun virginia 20101 United States
20598
Fairfax
Fairfax loudoun virginia 20598 United States
20598
Falls Church
Falls Church loudoun virginia 20598 United States
20159
Hamilton
Hamilton loudoun virginia 20159 United States
20598
Herndon
Herndon loudoun virginia 20598 United States
20134
Hillsboro
Hillsboro loudoun virginia 20134 United States
20104
Inspection Service Forensic
Inspection Service Forensic loudoun virginia 20104 United States
20176
Lansdowne
Lansdowne loudoun virginia 20176 United States
20177
Leesburg
Leesburg loudoun virginia 20177 United States
20160
Lincoln
Lincoln loudoun virginia 20160 United States
20598
Lorton
Lorton loudoun virginia 20598 United States
20180
Lovettsville
Lovettsville loudoun virginia 20180 United States
20176
Lucketts
Lucketts loudoun virginia 20176 United States
20598
Mc Lean
Mc Lean loudoun virginia 20598 United States
20598
McLean
McLean loudoun virginia 20598 United States
20117
Middleburg
Middleburg loudoun virginia 20117 United States
20149
Natl Assn Letter Carriers
Natl Assn Letter Carriers loudoun virginia 20149 United States
20129
Paeonian Springs
Paeonian Springs loudoun virginia 20129 United States
20131
Philomont
Philomont loudoun virginia 20131 United States
20165
Potomac Falls
Potomac Falls loudoun virginia 20165 United States
20132
Purcellville
Purcellville loudoun virginia 20132 United States
20598
Reston
Reston loudoun virginia 20598 United States
20142
Round Hill
Round Hill loudoun virginia 20142 United States
20152
South Riding
South Riding loudoun virginia 20152 United States
20598
Springfield
Springfield loudoun virginia 20598 United States
20103
Stamp Distribution Network
Stamp Distribution Network loudoun virginia 20103 United States
20167
Sterling
Sterling loudoun virginia 20167 United States
20105
Stone Ridge
Stone Ridge loudoun virginia 20105 United States
20197
Waterford
Waterford loudoun virginia 20197 United States

๐Ÿ“ฎUS United States Regional Postal Code FAQ & Postal Regulations

๐Ÿ“ฎ What is the format of a US ZIP code?

Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.

๐Ÿ” How to find the ZIP code for an address?

Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.

โš ๏ธ What happens if I use a wrong ZIP code?

Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.

๐Ÿ”„ Do ZIP codes ever change?

Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.

๐Ÿ“ฆ Is a ZIP code required for international mail to the US?

Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).

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๐Ÿ“ฎ Popular United States Postal Codes