United States Postcode Database

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
12438	New York	Delaware	Halcottsville	1
12439	New York	Greene	Hensonville	1
12440	New York	Ulster	High Falls	1
12441	New York	Ulster	Highmount	1
12442	New York	Greene	Hunter	1
12443	New York	Ulster	Hurley	1
12444	New York	Greene	Jewett	1
12446	New York	Ulster	Kerhonkson	1
12448	New York	Ulster	Lake Hill	1
12449	New York	Ulster	Lake Katrine	1
12450	New York	Greene	Lanesville	1
12451	New York	Greene	Leeds	1
12452	New York	Greene	Lexington	1
12453	New York	Ulster	Malden on Hudson	1
12454	New York	Greene	Maplecrest	1
12455	New York	Delaware	Margaretville	1
12456	New York	Ulster	Mount Marion	1
12457	New York	Ulster	Mount Tremper	1
12458	New York	Ulster	Napanoch	1
12459	New York	Delaware	New Kingston	1
12460	New York	Greene	Oak Hill	1
12461	New York	Ulster	Olivebridge	1
12463	New York	Greene	Palenville	1
12464	New York	Ulster	Phoenicia	1
12465	New York	Ulster	Pine Hill	1
12466	New York	Ulster	Port Ewen	1
12468	New York	Greene	Prattsville	1
12469	New York	Albany	Preston Hollow	1
12470	New York	Greene	Purling	1
12471	New York	Ulster	Rifton	1
12472	New York	Ulster	Rosendale	1
12473	New York	Greene	Round Top	1
12474	New York	Delaware	Roxbury	1
12475	New York	Ulster	Ruby	1
12477	New York	Ulster	Saugerties	1
12480	New York	Ulster	Shandaken	1
12481	New York	Ulster	Shokan	1
12482	New York	Greene	South Cairo	1
12483	New York	Ulster	Spring Glen	1
12484	New York	Ulster	Stone Ridge	1
12485	New York	Greene	Tannersville	1
12486	New York	Ulster	Tillson	1
12487	New York	Ulster	Ulster Park	1
12489	New York	Ulster	Wawarsing	1
12490	New York	Ulster	West Camp	1
12491	New York	Ulster	West Hurley	1
12492	New York	Greene	West Kill	1
12493	New York	Ulster	West Park	1
12494	New York	Ulster	West Shokan	1
12495	New York	Ulster	Willow	1

Page 93 of 853 · 42,605 postcode

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.