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
43299 Ohio Franklin Columbus 1
43301 Ohio Marion Marion 1
43302 Ohio Marion Marion 1
43306 Ohio Marion Marion 1
43307 Ohio Marion Marion 1
43310 Ohio Logan Belle Center 1
43311 Ohio Logan Bellefontaine 1
43314 Ohio Marion Caledonia 1
43315 Ohio Morrow Cardington 1
43316 Ohio Wyandot Carey 1
43317 Ohio Morrow Chesterville 1
43318 Ohio Logan De Graff 1
43319 Ohio Logan East Liberty 1
43320 Ohio Morrow Edison 1
43321 Ohio Morrow Fulton 1
43322 Ohio Marion Green Camp 1
43323 Ohio Wyandot Harpster 1
43324 Ohio Logan Huntsville 1
43325 Ohio Morrow Iberia 1
43326 Ohio Hardin Kenton 1
43330 Ohio Wyandot Kirby 1
43331 Ohio Logan Lakeview 1
43332 Ohio Marion La Rue 1
43333 Ohio Logan Lewistown 1
43334 Ohio Morrow Marengo 1
43335 Ohio Marion Martel 1
43336 Ohio Logan Middleburg 1
43337 Ohio Marion Morral 1
43338 Ohio Morrow Mount Gilead 1
43340 Ohio Hardin Mount Victory 1
43341 Ohio Marion New Bloomington 1
43342 Ohio Marion Prospect 1
43343 Ohio Logan Quincy 1
43344 Ohio Union Richwood 1
43345 Ohio Hardin Ridgeway 1
43346 Ohio Hardin Roundhead 1
43347 Ohio Logan Rushsylvania 1
43348 Ohio Logan Russells Point 1
43349 Ohio Morrow Shauck 1
43350 Ohio Morrow Sparta 1
43351 Ohio Wyandot Upper Sandusky 1
43356 Ohio Marion Waldo 1
43357 Ohio Logan West Liberty 1
43358 Ohio Logan West Mansfield 1
43359 Ohio Wyandot Wharton 1
43360 Ohio Logan Zanesfield 1
43402 Ohio Wood Bowling Green 1
43403 Ohio Wood Bowling Green 1
43406 Ohio Wood Bradner 1
43407 Ohio Sandusky Burgoon 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.