First three digits · Mississippi
ZIP Codes Starting with
57 ZIP codes start with 391, sorted at the Jackson, MS (SCF 390) sectional center (USPS labeling list L005, effective October 1, 2026) in Mississippi: 43 residential ZIP codes across 20 counties and 14 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 391 mean?
The first digit, 3, is one of ten national areas (Alabama, Florida, Georgia, Mississippi, Tennessee and Armed Forces Americas). The first three, 391, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 391 to the Jackson, MS (SCF 390) facility. The last two digits pick the delivery area. By residents, the largest town names among the 391 ZIP codes are Madison, Vicksburg, Natchez, Ridgeland, Yazoo City and Morton.
The same facility sorts 9 prefixes, 344 ZIP codes in all: 369, 387, 389, 390, 391, 392, 393, 396, 397.
Where are the 391 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 391
| County | ||||||
|---|---|---|---|---|---|---|
| 39107 | McAdams | Attala County | PO Box or unique | – | – | – |
| 39108 | McCool | Attala County | 2,163 | 11 | $52k | $75k |
| 39109 | Madden | Leake County | PO Box or unique | – | – | – |
| 39110 | Madison | Madison County | 50,443 | 679 | $126k | $363k |
| 39111 | Magee | Simpson County | 9,143 | 65 | $49k | $142k |
| 39113 | Mayersville | Issaquena County | 196 | 7 | $15k | $105k |
| 39114 | Mendenhall | Simpson County | 9,359 | 49 | $60k | $129k |
| 39115 | Midnight | Humphreys County | 138 | 29 | – | $57k |
| 39116 | Mize | Smith County | 2,594 | 30 | $72k | $138k |
| 39117 | Morton | Scott County | 10,431 | 42 | $58k | $133k |
| 39119 | Mount Olive | Covington County | 5,739 | 39 | $50k | $73k |
| 39120 | Natchez | Adams County | 29,039 | 60 | $44k | $107k |
| 39121 | Natchez | Adams County | PO Box or unique | – | – | – |
| 39122 | Natchez | Adams County | PO Box or unique | – | – | – |
| 39130 | Madison | Madison County | PO Box or unique | – | – | – |
| 39140 | Newhebron | Jefferson Davis County | 2,352 | 24 | $44k | $109k |
| 39144 | Pattison | Claiborne County | 930 | 8 | – | $64k |
| 39145 | Pelahatchie | Rankin County | 5,295 | 41 | $64k | $165k |
| 39146 | Pickens | Madison County | 2,614 | 19 | $31k | $62k |
| 39148 | Piney Woods | Rankin County | 6 | 261 | – | – |
| 39149 | Pinola | Simpson County | 1,485 | 19 | $68k | $75k |
| 39150 | Port Gibson | Claiborne County | 4,777 | 21 | $35k | $89k |
| 39151 | Puckett | Rankin County | PO Box or unique | – | – | – |
| 39152 | Pulaski | Smith County | 583 | 8 | $42k | – |
| 39153 | Raleigh | Smith County | 2,968 | 20 | $61k | $99k |
| 39154 | Raymond | Hinds County | 9,255 | 79 | $73k | $221k |
| 39156 | Redwood | Warren County | 878 | 14 | $57k | $67k |
| 39157 | Ridgeland | Madison County | 24,562 | 818 | $66k | $275k |
| 39158 | Ridgeland | Madison County | PO Box or unique | – | – | – |
| 39159 | Rolling Fork | Sharkey County | 2,888 | 8 | $46k | $111k |
| 39160 | Sallis | Attala County | 2,785 | 20 | $59k | $59k |
| 39161 | Sandhill | Rankin County | PO Box or unique | – | – | – |
| 39162 | Satartia | Yazoo County | 138 | 3 | $120k | $173k |
| 39163 | Sharon | Madison County | PO Box or unique | – | – | – |
| 39165 | Sibley | Adams County | PO Box or unique | – | – | – |
| 39166 | Silver City | Humphreys County | 542 | 10 | $59k | $144k |
| 39167 | Star | Rankin County | no residents | 0 | – | – |
| 39168 | Taylorsville | Smith County | 6,270 | 42 | $45k | $90k |
| 39169 | Tchula | Holmes County | 2,565 | 21 | $36k | $48k |
| 39170 | Terry | Hinds County | 9,069 | 93 | $67k | $228k |
| 39171 | Thomastown | Leake County | PO Box or unique | – | – | – |
| 39173 | Tinsley | Yazoo County | 9 | 14 | – | – |
| 39174 | Tougaloo | Madison County | 485 | 1,980 | – | – |
| 39175 | Utica | Hinds County | 4,259 | 18 | $47k | $118k |
| 39176 | Vaiden | Carroll County | 2,143 | 16 | $47k | $109k |
| 39177 | Valley Park | Issaquena County | 104 | 1 | $55k | $157k |
| 39179 | Vaughan | Yazoo County | 739 | 8 | $34k | – |
| 39180 | Vicksburg | Warren County | 28,479 | 109 | $57k | $161k |
| 39181 | Vicksburg | Warren County | PO Box or unique | – | – | – |
| 39182 | Vicksburg | Warren County | PO Box or unique | – | – | – |
| 39183 | Vicksburg | Warren County | 13,663 | 44 | $74k | $157k |
| 39189 | Walnut Grove | Leake County | 3,971 | 52 | $49k | $101k |
| 39190 | Washington | Adams County | PO Box or unique | – | – | – |
| 39191 | Wesson | Copiah County | 8,378 | 38 | $57k | $128k |
| 39192 | West | Attala County | 1,573 | 11 | $49k | $90k |
| 39193 | Whitfield | Rankin County | 731 | 400 | – | – |
| 39194 | Yazoo City | Yazoo County | 18,714 | 41 | $32k | $130k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.