Country Information

CountryUnited States
ISO CodeUS / USA
LanguageEnglish
Total Records42,605

United States uses a numeric code of 5 (or 5+4) digits (e.g. 10001). ZIP Code (5 digits) with optional ZIP+4 extension.

This database currently holds 42,605 ZIP Codes ranging from 00501 to 99929, linked to 0 building and address records. Because a single ZIP Code can cover more than one locality or delivery point, the lookup below groups addresses by code and lets you drill into the individual records.

Postal codes matter well beyond mail delivery. Couriers, e-commerce checkout forms and address autocomplete tools rely on the ZIP Code to route a parcel and to verify that the stated address matches the code. Addresses here are organised as State → County → City. The code itself is structured as ZIP Code → ZIP+4 → Delivery Point, which is postal geography and not the same as the administrative hierarchy. When you look up a code here, treat the associated name as a reference point rather than a full postal address — always confirm the street and house number with the sender or recipient before shipping.

Data source: a third-party open dataset. This is an imported reference dataset, not a live government feed; CodeReff does not independently verify each record, so codes may have changed since the snapshot was taken. Use the search box to look up a specific code, or browse the paginated table below.

United States Postcode Data

42,605 postcode found

Postal Code State County City Records
55409 Minnesota Hennepin Minneapolis 1
55410 Minnesota Hennepin Minneapolis 1
55411 Minnesota Hennepin Minneapolis 1
55412 Minnesota Hennepin Minneapolis 1
55413 Minnesota Hennepin Minneapolis 1
55414 Minnesota Hennepin Minneapolis 1
55415 Minnesota Hennepin Minneapolis 1
55416 Minnesota Hennepin Minneapolis 1
55417 Minnesota Hennepin Minneapolis 1
55418 Minnesota Hennepin Minneapolis 1
55419 Minnesota Hennepin Minneapolis 1
55420 Minnesota Hennepin Minneapolis 1
55421 Minnesota Anoka Minneapolis 1
55422 Minnesota Hennepin Minneapolis 1
55423 Minnesota Hennepin Minneapolis 1
55424 Minnesota Hennepin Minneapolis 1
55425 Minnesota Hennepin Minneapolis 1
55426 Minnesota Hennepin Minneapolis 1
55427 Minnesota Hennepin Minneapolis 1
55428 Minnesota Hennepin Minneapolis 1
55429 Minnesota Hennepin Minneapolis 1
55430 Minnesota Hennepin Minneapolis 1
55431 Minnesota Hennepin Minneapolis 1
55432 Minnesota Anoka Minneapolis 1
55433 Minnesota Anoka Minneapolis 1
55434 Minnesota Anoka Minneapolis 1
55435 Minnesota Hennepin Minneapolis 1
55436 Minnesota Hennepin Minneapolis 1
55437 Minnesota Hennepin Minneapolis 1
55438 Minnesota Hennepin Minneapolis 1
55439 Minnesota Hennepin Minneapolis 1
55440 Minnesota Hennepin Minneapolis 1
55441 Minnesota Hennepin Minneapolis 1
55442 Minnesota Hennepin Minneapolis 1
55443 Minnesota Hennepin Minneapolis 1
55444 Minnesota Hennepin Minneapolis 1
55445 Minnesota Hennepin Minneapolis 1
55446 Minnesota Hennepin Minneapolis 1
55447 Minnesota Hennepin Minneapolis 1
55448 Minnesota Anoka Minneapolis 1
55449 Minnesota Anoka Minneapolis 1
55450 Minnesota Hennepin Minneapolis 1
55454 Minnesota Hennepin Minneapolis 1
55455 Minnesota Hennepin Minneapolis 1
55458 Minnesota Hennepin Minneapolis 1
55459 Minnesota Hennepin Minneapolis 1
55460 Minnesota Hennepin Minneapolis 1
55468 Minnesota Hennepin Minneapolis 1
55470 Minnesota Hennepin Minneapolis 1
55472 Minnesota Hennepin Minneapolis 1

Postcodes by Region

Postcodes by City

Frequently Asked Questions

United States uses a numeric code of 5 (or 5+4) digits (e.g. 10001). ZIP Code (5 digits) with optional ZIP+4 extension.
Yes. United States postal codes are a plain numeric string, so a leading zero is part of the code itself. A code beginning with 0 must be written and stored with that zero — it is not the same as the same digits without it.
42,605 This database currently lists
The records are imported from a third-party open dataset, an open reference dataset. CodeReff does not independently verify each entry, so use the information as a reference rather than an official confirmation.
Enter a full or partial postal code, or a building or street name, in the search box above. You can also browse the paginated table and open any code to see its building and address records.
Information provided on CodeReff is for reference purposes only. Always verify financial and banking details with the relevant institution before use.