US United States Major Regions Postal Code Details
๐๏ธ Baltimore City ยท Maryland
21215
Arlington
21290
Baltimore
21298
Baltimore Brm
21278
Baltimore Sunpapers
21273
Bank Of America
21225
Brooklyn
21225
Brooklyn Park
21229
Carroll
21213
Clifton
21213
Clifton East End
21217
Druid
21202
East Case
21205
East End
21297
Firms-Courtesy Reply
21223
Franklin
21212
Govans
21214
Hamilton
21211
Hampden
21224
Highlandtown
21239
Idlewylde
21287
Johns Hopkins
21287
Johns Hopkins Hospital
21239
Loch Hill
21264
M T Bank
21251
Morgan State University
21209
Mount Washington
21239
Northwood
21231
Patterson
21206
Raspeburg
21270
Reisterstown Rd Plaza
21210
Roland Park
21290
Social Security Admin
21235
Social Security Administrat
21279
Sun Trust Bank
21289
T Rowe Price Associates Inc
21216
Walbrook
21218
Waverly
21275
Wells Fargo
๐ฎUS United States Regional Postal Code FAQ & Postal Regulations
๐ฎ 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.
๐ 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.
โ ๏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.
๐ Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
๐ฆ 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).