US United States Major Regions Postal Code Details
🏛️ Travis · Texas
78765Austin
Austin travis texas 78765 United States
78759Balcones
Balcones travis texas 78759 United States
78738Bee Cave
Bee Cave travis texas 78738 United States
78744Bluff Springs
Bluff Springs travis texas 78744 United States
78669Briarcliff
Briarcliff travis texas 78669 United States
78731Camp Mabry
Camp Mabry travis texas 78731 United States
78653Cele
Cele travis texas 78653 United States
78736Circleville
Circleville travis texas 78736 United States
78783City Water And Light Dept
City Water And Light Dept travis texas 78783 United States
78744Colton
Colton travis texas 78744 United States
78653Daffan
Daffan travis texas 78653 United States
78617Del Valle
Del Valle travis texas 78617 United States
78754Dell Computers
Dell Computers travis texas 78754 United States
78773Dept Of Public Safety
Dept Of Public Safety travis texas 78773 United States
78753Dessau
Dessau travis texas 78753 United States
78617Elroy
Elroy travis texas 78617 United States
78732Four Points
Four Points travis texas 78732 United States
78617Garfield
Garfield travis texas 78617 United States
78653Gregg
Gregg travis texas 78653 United States
78725Hornsby Bend
Hornsby Bend travis texas 78725 United States
78734Hudson Bend
Hudson Bend travis texas 78734 United States
73301Internal Revenue Service
Internal Revenue Service travis texas 73301 United States
78645Jonestown
Jonestown travis texas 78645 United States
78653Kimbro
Kimbro travis texas 78653 United States
78645Lago Vista
Lago Vista travis texas 78645 United States
78738Lakeway
Lakeway travis texas 78738 United States
78645Leander
Leander travis texas 78645 United States
78652Manchaca
Manchaca travis texas 78652 United States
78653Manda
Manda travis texas 78653 United States
78653Manor
Manor travis texas 78653 United States
78732Marshall Ford
Marshall Ford travis texas 78732 United States
78651Mc Neil
Mc Neil travis texas 78651 United States
78741Montopolis
Montopolis travis texas 78741 United States
78719Moores Crossing
Moores Crossing travis texas 78719 United States
78653New Sweden
New Sweden travis texas 78653 United States
78736Oak Hill
Oak Hill travis texas 78736 United States
78660Pflugerville
Pflugerville travis texas 78660 United States
78744Pilot Knob
Pilot Knob travis texas 78744 United States
78645Point Venture
Point Venture travis texas 78645 United States
78799RMX
RMX travis texas 78799 United States
78746Rollingwood
Rollingwood travis texas 78746 United States
78748San Leanna
San Leanna travis texas 78748 United States
78669Spicewood
Spicewood travis texas 78669 United States
78754Sprinkle
Sprinkle travis texas 78754 United States
78774State Comptroller
State Comptroller travis texas 78774 United States
78745Sunset Valley
Sunset Valley travis texas 78745 United States
78703Tarrytown
Tarrytown travis texas 78703 United States
78738The Hills
The Hills travis texas 78738 United States
78712The University Of Texas
The University Of Texas travis texas 78712 United States
78704Travis Heights
Travis Heights travis texas 78704 United States
78779TX Dept Of Motor Vehicles
TX Dept Of Motor Vehicles travis texas 78779 United States
78778Tx Workforce Commission
Tx Workforce Commission travis texas 78778 United States
78712University Of Texas
University Of Texas travis texas 78712 United States
78712UT
UT travis texas 78712 United States
78772Veterans Administration
Veterans Administration travis texas 78772 United States
78738Village Of The Hills
Village Of The Hills travis texas 78738 United States
78653Webberville
Webberville travis texas 78653 United States
78746West Lake Hills
West Lake Hills travis texas 78746 United States
📋 United States Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
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📮United States Postal FAQ and delivery guidance
📮 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.
🔍 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.
⚠️ 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.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 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).
