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
39171 Mississippi Leake Thomastown 1
39173 Mississippi Yazoo Tinsley 1
39174 Mississippi Hinds Tougaloo 1
39175 Mississippi Hinds Utica 1
39176 Mississippi Carroll Vaiden 1
39177 Mississippi Issaquena Valley Park 1
39179 Mississippi Yazoo Vaughan 1
39180 Mississippi Warren Vicksburg 1
39181 Mississippi Warren Vicksburg 1
39182 Mississippi Warren Vicksburg 1
39183 Mississippi Warren Vicksburg 1
39189 Mississippi Leake Walnut Grove 1
39190 Mississippi Adams Washington 1
39191 Mississippi Copiah Wesson 1
39192 Mississippi Holmes West 1
39193 Mississippi Rankin Whitfield 1
39194 Mississippi Yazoo Yazoo City 1
39201 Mississippi Hinds Jackson 1
39202 Mississippi Hinds Jackson 1
39203 Mississippi Hinds Jackson 1
39204 Mississippi Hinds Jackson 1
39205 Mississippi Hinds Jackson 1
39206 Mississippi Hinds Jackson 1
39207 Mississippi Hinds Jackson 1
39208 Mississippi Rankin Pearl 1
39209 Mississippi Hinds Jackson 1
39210 Mississippi Hinds Jackson 1
39211 Mississippi Hinds Jackson 1
39212 Mississippi Hinds Jackson 1
39213 Mississippi Hinds Jackson 1
39215 Mississippi Hinds Jackson 1
39216 Mississippi Hinds Jackson 1
39217 Mississippi Hinds Jackson 1
39218 Mississippi Rankin Richland 1
39225 Mississippi Hinds Jackson 1
39232 Mississippi Rankin Flowood 1
39235 Mississippi Hinds Jackson 1
39236 Mississippi Hinds Jackson 1
39250 Mississippi Hinds Jackson 1
39269 Mississippi Hinds Jackson 1
39271 Mississippi Hinds Jackson 1
39272 Mississippi Hinds Byram 1
39282 Mississippi Hinds Jackson 1
39283 Mississippi Hinds Jackson 1
39284 Mississippi Hinds Jackson 1
39286 Mississippi Hinds Jackson 1
39288 Mississippi Rankin Pearl 1
39289 Mississippi Hinds Jackson 1
39296 Mississippi Hinds Jackson 1
39298 Mississippi Rankin Jackson 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.