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
30110 Georgia Haralson Bremen 1
30111 Georgia Cobb Clarkdale 1
30112 Georgia Carroll Carrollton 1
30113 Georgia Haralson Buchanan 1
30114 Georgia Cherokee Canton 1
30115 Georgia Cherokee Canton 1
30116 Georgia Carroll Carrollton 1
30117 Georgia Carroll Carrollton 1
30118 Georgia Carroll Carrollton 1
30119 Georgia Carroll Carrollton 1
30120 Georgia Bartow Cartersville 1
30121 Georgia Bartow Cartersville 1
30122 Georgia Douglas Lithia Springs 1
30123 Georgia Bartow Cassville 1
30124 Georgia Floyd Cave Spring 1
30125 Georgia Polk Cedartown 1
30126 Georgia Cobb Mableton 1
30127 Georgia Cobb Powder Springs 1
30129 Georgia Floyd Coosa 1
30132 Georgia Paulding Dallas 1
30133 Georgia Douglas Douglasville 1
30134 Georgia Douglas Douglasville 1
30135 Georgia Douglas Douglasville 1
30137 Georgia Bartow Emerson 1
30138 Georgia Polk Esom Hill 1
30139 Georgia Gordon Fairmount 1
30140 Georgia Haralson Felton 1
30141 Georgia Paulding Hiram 1
30142 Georgia Cherokee Holly Springs 1
30143 Georgia Pickens Jasper 1
30144 Georgia Cobb Kennesaw 1
30145 Georgia Bartow Kingston 1
30146 Georgia Cherokee Lebanon 1
30147 Georgia Floyd Lindale 1
30148 Georgia Pickens Marble Hill 1
30149 Georgia Floyd Mount Berry 1
30150 Georgia Carroll Mount Zion 1
30151 Georgia Cherokee Nelson 1
30152 Georgia Cobb Kennesaw 1
30153 Georgia Polk Rockmart 1
30154 Georgia Douglas Douglasville 1
30156 Georgia Cobb Kennesaw 1
30157 Georgia Paulding Dallas 1
30160 Georgia Cobb Kennesaw 1
30161 Georgia Floyd Rome 1
30162 Georgia Floyd Rome 1
30163 Georgia Floyd Rome 1
30164 Georgia Floyd Rome 1
30165 Georgia Floyd Rome 1
30168 Georgia Cobb Austell 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.