Postcodes
United States - postcodes
In United States, postcodes are used for sorting mail and identifying delivery areas.
Published institution examples. Contact and visitor addresses are not confirmed mailing routes; postcode examples are not an allocation directory or delivery guarantee.
Address guides and official destinations
Corporate headquarters
- Apple Inc. Headquarters Address & ZIP Code
- Google LLC / Alphabet Inc. Headquarters Address
- Amazon.com, Inc. Headquarters Address
- Microsoft Corporation Headquarters Address
- Meta Platforms, Inc. Headquarters Address
- Netflix, Inc. Headquarters Address
University mailing addresses
- Harvard University Official Mailing & Registrar Address
- MIT (Massachusetts Institute of Technology) Campus Address
- Stanford University Official Mailing & Campus Address
- Yale University Official Mailing & Campus Address
- Princeton University Official Mailing Address
- Columbia University Official Mailing & Campus Address
Helpful address guides
- What is Address Line 2?
- Billing Address vs Shipping Address
- US Address Format for Apple ID & Digital Stores
- APO, FPO & DPO Military Addresses in Checkout Forms
- W-9 & W-8BEN Address Fields: Residence vs Mailing Address
- International Shipping Addresses for DHL, FedEx & UPS
- What Is a ZIP+4 Code? Nine-Digit ZIPs in Checkout Forms
Quick facts
Postcodes are typically alphanumeric and may include spaces or hyphens. Regex: ^\d{5}(?:-\d{4})?$
Browse US ZIP Codes by State
Select any US state below to explore official USPS 5-digit ZIP codes, cities, and demographic records.
Featured Postcodes & Examples
02138
Cambridge, MA
02139
Cambridge, MA
94305-2004
Stanford, CA
78712
Austin, TX
10028
New York, NY
10040
New York, NY
20546
Washington, DC
98195-5880
Seattle, WA
99775
Fairbanks, AK
96822
Honolulu, HI
80208
Denver, CO
85721
Tucson, AZ
32611-4000
Gainesville, FL
02215
Boston, MA
60637
Chicago, Illinois
70118
New Orleans, LA
19104
Philadelphia, PA
48202
Detroit, MI
97207-0751
Portland, OR
37240
Nashville, TN
55455
Minneapolis, MN