First three digits · Alabama
ZIP Codes Starting with
44 ZIP codes start with 356, sorted at the Huntsville, AL (SCF 357) sectional center (USPS labeling list L005, effective October 1, 2026) in Alabama: 37 residential ZIP codes across 6 counties and 7 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 356 mean?
The first digit, 3, is one of ten national areas (Alabama, Florida, Georgia, Mississippi, Tennessee and Armed Forces Americas). The first three, 356, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 356 to the Huntsville, AL (SCF 357) facility. The last two digits pick the delivery area. By residents, the largest town names among the 356 ZIP codes are Decatur, Florence, Athens, Hartselle, Russellville and Tuscumbia.
The same facility sorts 3 prefixes, 103 ZIP codes in all: 356, 357, 358.
Where are the 356 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 356
| County | ||||||
|---|---|---|---|---|---|---|
| 35601 | Decatur | Morgan County | 35,449 | 1,338 | $51k | $172k |
| 35602 | Decatur | Morgan County | PO Box or unique | – | – | – |
| 35603 | Decatur | Morgan County | 32,179 | 453 | $82k | $247k |
| 35609 | Decatur | Morgan County | PO Box or unique | – | – | – |
| 35610 | Anderson | Lauderdale County | 1,744 | 41 | $98k | $168k |
| 35611 | Athens | Limestone County | 29,969 | 260 | $57k | $226k |
| 35612 | Athens | Limestone County | PO Box or unique | – | – | – |
| 35613 | Athens | Limestone County | 25,523 | 340 | $101k | $330k |
| 35614 | Athens | Limestone County | 7,618 | 118 | $57k | $193k |
| 35615 | Belle Mina | Limestone County | 23 | 46 | – | – |
| 35616 | Cherokee | Colbert County | 3,731 | 17 | $49k | $101k |
| 35617 | Cloverdale | Lauderdale County | PO Box or unique | – | – | – |
| 35618 | Courtland | Lawrence County | 1,896 | 43 | $51k | $104k |
| 35619 | Danville | Lawrence County | 5,343 | 41 | $66k | $169k |
| 35620 | Elkmont | Limestone County | 10,905 | 101 | $78k | $196k |
| 35621 | Eva | Morgan County | 3,471 | 76 | $79k | $214k |
| 35622 | Falkville | Morgan County | 6,830 | 71 | $67k | $190k |
| 35630 | Florence | Lauderdale County | 34,028 | 1,345 | $46k | $175k |
| 35631 | Florence | Lauderdale County | PO Box or unique | – | – | – |
| 35632 | Florence | Lauderdale County | 1,132 | 13,318 | – | – |
| 35633 | Florence | Lauderdale County | 20,813 | 100 | $77k | $190k |
| 35634 | Florence | Lauderdale County | 10,241 | 143 | $72k | $267k |
| 35640 | Hartselle | Morgan County | 27,344 | 256 | $77k | $210k |
| 35643 | Hillsboro | Lawrence County | 3,101 | 38 | $59k | $124k |
| 35645 | Killen | Lauderdale County | 13,960 | 183 | $88k | $221k |
| 35646 | Leighton | Colbert County | 4,568 | 51 | $71k | $143k |
| 35647 | Lester | Limestone County | 909 | 37 | $90k | $300k |
| 35648 | Lexington | Lauderdale County | 3,128 | 51 | $80k | $173k |
| 35649 | Mooresville | Limestone County | 81 | 32 | $144k | $390k |
| 35650 | Moulton | Lawrence County | 13,473 | 63 | $67k | $186k |
| 35651 | Mount Hope | Lawrence County | 1,429 | 35 | $79k | $169k |
| 35652 | Rogersville | Lauderdale County | 9,173 | 108 | $67k | $210k |
| 35653 | Russellville | Franklin County | 11,481 | 77 | $53k | $122k |
| 35654 | Russellville | Franklin County | 8,749 | 59 | $61k | $173k |
| 35660 | Sheffield | Colbert County | 9,367 | 1,521 | $40k | $135k |
| 35661 | Muscle Shoals | Colbert County | 19,169 | 375 | $74k | $192k |
| 35662 | Muscle Shoals | Colbert County | PO Box or unique | – | – | – |
| 35670 | Somerville | Morgan County | 7,760 | 79 | $52k | $205k |
| 35671 | Tanner | Limestone County | 2,267 | 45 | $86k | $241k |
| 35672 | Town Creek | Lawrence County | 5,709 | 42 | $62k | $149k |
| 35673 | Trinity | Lawrence County | 7,250 | 157 | $81k | $211k |
| 35674 | Tuscumbia | Colbert County | 20,176 | 116 | $65k | $183k |
| 35677 | Waterloo | Lauderdale County | 2,046 | 19 | $52k | $206k |
| 35699 | Decatur | Morgan County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.