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
43408 Ohio Ottawa Clay Center 1
43410 Ohio Sandusky Clyde 1
43412 Ohio Ottawa Curtice 1
43413 Ohio Wood Cygnet 1
43414 Ohio Wood Dunbridge 1
43416 Ohio Ottawa Elmore 1
43420 Ohio Sandusky Fremont 1
43430 Ohio Ottawa Genoa 1
43431 Ohio Sandusky Gibsonburg 1
43432 Ohio Ottawa Graytown 1
43433 Ohio Ottawa Gypsum 1
43434 Ohio Lucas Harbor View 1
43435 Ohio Sandusky Helena 1
43436 Ohio Ottawa Isle Saint George 1
43437 Ohio Wood Jerry City 1
43438 Ohio Erie Kelleys Island 1
43439 Ohio Ottawa Lacarne 1
43440 Ohio Ottawa Lakeside Marblehead 1
43441 Ohio Wood Lemoyne 1
43442 Ohio Sandusky Lindsey 1
43443 Ohio Wood Luckey 1
43445 Ohio Ottawa Martin 1
43446 Ohio Ottawa Middle Bass 1
43447 Ohio Wood Millbury 1
43449 Ohio Ottawa Oak Harbor 1
43450 Ohio Wood Pemberville 1
43451 Ohio Wood Portage 1
43452 Ohio Ottawa Port Clinton 1
43456 Ohio Ottawa Put in Bay 1
43457 Ohio Wood Risingsun 1
43458 Ohio Ottawa Rocky Ridge 1
43460 Ohio Wood Rossford 1
43462 Ohio Wood Rudolph 1
43463 Ohio Wood Stony Ridge 1
43464 Ohio Sandusky Vickery 1
43465 Ohio Wood Walbridge 1
43466 Ohio Wood Wayne 1
43467 Ohio Wood West Millgrove 1
43468 Ohio Ottawa Williston 1
43469 Ohio Sandusky Woodville 1
43501 Ohio Williams Alvordton 1
43502 Ohio Fulton Archbold 1
43504 Ohio Lucas Berkey 1
43505 Ohio Williams Blakeslee 1
43506 Ohio Williams Bryan 1
43510 Ohio Henry Colton 1
43511 Ohio Wood Custar 1
43512 Ohio Defiance Defiance 1
43515 Ohio Fulton Delta 1
43516 Ohio Henry Deshler 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.