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
11793	New York	Nassau	Wantagh	1
11794	New York	Suffolk	Stony Brook	1
11795	New York	Suffolk	West Islip	1
11796	New York	Suffolk	West Sayville	1
11797	New York	Nassau	Woodbury	1
11798	New York	Suffolk	Wyandanch	1
11801	New York	Nassau	Hicksville	1
11802	New York	Nassau	Hicksville	1
11803	New York	Nassau	Plainview	1
11804	New York	Nassau	Old Bethpage	1
11805	New York	Suffolk	Mid Island	1
11815	New York	Nassau	Hicksville	1
11819	New York	Nassau	Hicksville	1
11853	New York	Nassau	Jericho	1
11854	New York	Nassau	Hicksville	1
11855	New York	Nassau	Hicksville	1
11901	New York	Suffolk	Riverhead	1
11930	New York	Suffolk	Amagansett	1
11931	New York	Suffolk	Aquebogue	1
11932	New York	Suffolk	Bridgehampton	1
11933	New York	Suffolk	Calverton	1
11934	New York	Suffolk	Center Moriches	1
11935	New York	Suffolk	Cutchogue	1
11937	New York	Suffolk	East Hampton	1
11939	New York	Suffolk	East Marion	1
11940	New York	Suffolk	East Moriches	1
11941	New York	Suffolk	Eastport	1
11942	New York	Suffolk	East Quogue	1
11944	New York	Suffolk	Greenport	1
11946	New York	Suffolk	Hampton Bays	1
11947	New York	Suffolk	Jamesport	1
11948	New York	Suffolk	Laurel	1
11949	New York	Suffolk	Manorville	1
11950	New York	Suffolk	Mastic	1
11951	New York	Suffolk	Mastic Beach	1
11952	New York	Suffolk	Mattituck	1
11953	New York	Suffolk	Middle Island	1
11954	New York	Suffolk	Montauk	1
11955	New York	Suffolk	Moriches	1
11956	New York	Suffolk	New Suffolk	1
11957	New York	Suffolk	Orient	1
11958	New York	Suffolk	Peconic	1
11959	New York	Suffolk	Quogue	1
11960	New York	Suffolk	Remsenburg	1
11961	New York	Suffolk	Ridge	1
11962	New York	Suffolk	Sagaponack	1
11963	New York	Suffolk	Sag Harbor	1
11964	New York	Suffolk	Shelter Island	1
11965	New York	Suffolk	Shelter Island Heights	1
11967	New York	Suffolk	Shirley	1

Page 87 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.