Mississippi ZIP codes
Mississippi holds 531 ZIP codes between 38601 and 39776. The tables rank the places and counties with the most codes; the guide below decodes the numbering.
Places with the most ZIP codes in Mississippi
| Place | ZIP codes |
|---|---|
| Jackson | 27 |
| Meridian | 7 |
| Hattiesburg | 6 |
| Gulfport | 6 |
| Biloxi | 6 |
| Columbus | 6 |
| Pascagoula | 5 |
| Laurel | 4 |
| Tupelo | 4 |
| Vicksburg | 4 |
| Greenville | 4 |
| Natchez | 3 |
| Clinton | 3 |
| Brookhaven | 3 |
| Brandon | 3 |
| Corinth | 2 |
| Cleveland | 2 |
| Southaven | 2 |
| Walls | 2 |
| Grenada | 2 |
Mississippi counties by ZIP count
| County | ZIP codes |
|---|---|
| Hinds | 36 |
| Bolivar | 16 |
| Harrison | 16 |
| Rankin | 15 |
| Washington | 14 |
| Jackson | 13 |
| Lauderdale | 13 |
| Lee | 12 |
| Coahoma | 10 |
| Lowndes | 10 |
Reading a Mississippi ZIP code
Mississippi holds 531 ZIP codes between 38601 and 39776, spread over 82 counties. Jackson leads the state with 27 codes, ahead of Meridian with 7. Every code here opens with the digit 3: that opening number is the national postal region Mississippi belongs to, the next two digits name the sectional center that sorts the mail, and the final two point to the local office. A ZIP+4 suffix narrows delivery to a block face. Boundaries follow carrier routes rather than city limits, which is why Jackson spreads across 27 codes while some rural codes cross county lines.
Source: GeoNames postal dataset (CC BY 4.0), snapshot of 2026-07-09. Counts cover standard delivery ZIPs listed for Mississippi; unique and PO box codes may add to these totals.
Last updated: · Methodology and sources