First three digits · Minnesota
ZIP Codes Starting with
75 ZIP codes start with 557, sorted at the Duluth, MN (SCF 556) sectional center (USPS labeling list L005, effective October 1, 2026) in Minnesota: 69 residential ZIP codes across 7 counties and 6 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 557 mean?
The first digit, 5, is one of ten national areas (Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin). The first three, 557, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 557 to the Duluth, MN (SCF 556) facility. The last two digits pick the delivery area. By residents, the largest town names among the 557 ZIP codes are Grand Rapids, Cloquet, Hibbing, Virginia, Eveleth and Chisholm.
The same facility sorts 3 prefixes, 102 ZIP codes in all: 556, 557, 558.
Where are the 557 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 557
| County | ||||||
|---|---|---|---|---|---|---|
| 55702 | Alborn | St. Louis County | 412 | 8 | $78k | $295k |
| 55703 | Angora | St. Louis County | 906 | 6 | $72k | $175k |
| 55704 | Askov | Pine County | 1,051 | 19 | $63k | $234k |
| 55705 | Aurora | St. Louis County | 3,211 | 38 | $56k | $124k |
| 55706 | Babbitt | St. Louis County | 1,703 | 13 | $57k | $113k |
| 55707 | Barnum | Carlton County | 3,470 | 22 | $82k | $246k |
| 55708 | Biwabik | St. Louis County | 929 | 192 | $66k | $110k |
| 55709 | Bovey | Itasca County | 4,628 | 21 | $76k | $226k |
| 55710 | Britt | St. Louis County | 1,362 | 16 | $87k | $280k |
| 55711 | Brookston | St. Louis County | 540 | 7 | $61k | $208k |
| 55712 | Bruno | Pine County | 522 | 3 | $62k | $177k |
| 55713 | Buhl | St. Louis County | 1,048 | 141 | $59k | $129k |
| 55716 | Calumet | Itasca County | 279 | 220 | $43k | $111k |
| 55717 | Canyon | St. Louis County | 287 | 2 | $97k | $317k |
| 55718 | Carlton | Carlton County | 3,111 | 52 | $97k | $319k |
| 55719 | Chisholm | St. Louis County | 5,613 | 67 | $54k | $123k |
| 55720 | Cloquet | Carlton County | 17,448 | 112 | $64k | $223k |
| 55721 | Cohasset | Itasca County | 4,044 | 43 | $86k | $302k |
| 55722 | Coleraine | Itasca County | 963 | 787 | $69k | $165k |
| 55723 | Cook | St. Louis County | 1,927 | 5 | $65k | $190k |
| 55724 | Cotton | St. Louis County | 707 | 3 | $75k | $227k |
| 55725 | Crane Lake | St. Louis County | 89 | 1 | $73k | $407k |
| 55726 | Cromwell | Carlton County | 1,087 | 12 | $80k | $227k |
| 55730 | Grand Rapids | Itasca County | PO Box or unique | – | – | – |
| 55731 | Ely | Lake County | 5,361 | 3 | $62k | $206k |
| 55732 | Embarrass | St. Louis County | 1,453 | 7 | $65k | $179k |
| 55733 | Esko | Carlton County | 5,139 | 145 | $118k | $353k |
| 55734 | Eveleth | St. Louis County | 6,265 | 80 | $63k | $159k |
| 55735 | Finlayson | Pine County | 1,814 | 15 | $64k | $271k |
| 55736 | Floodwood | St. Louis County | 1,344 | 4 | $65k | $165k |
| 55738 | Forbes | St. Louis County | 599 | 5 | $83k | $167k |
| 55741 | Gilbert | St. Louis County | 2,947 | 42 | $70k | $165k |
| 55742 | Goodland | Itasca County | 259 | 7 | $64k | $222k |
| 55744 | Grand Rapids | Itasca County | 20,295 | 85 | $71k | $241k |
| 55745 | Grand Rapids | Itasca County | PO Box or unique | – | – | – |
| 55746 | Hibbing | St. Louis County | 16,730 | 48 | $56k | $135k |
| 55747 | Hibbing | St. Louis County | PO Box or unique | – | – | – |
| 55748 | Hill City | Aitkin County | 1,374 | 9 | $54k | $201k |
| 55749 | Holyoke | Carlton County | 532 | 6 | $78k | $224k |
| 55750 | Hoyt Lakes | St. Louis County | 2,068 | 12 | $66k | $93k |
| 55751 | Iron | St. Louis County | 1,388 | 23 | $75k | $202k |
| 55752 | Jacobson | Aitkin County | 446 | 3 | $73k | $202k |
| 55753 | Keewatin | Itasca County | 1,215 | 1,381 | $54k | $87k |
| 55756 | Kerrick | Pine County | 309 | 7 | $56k | $225k |
| 55757 | Kettle River | Carlton County | 739 | 7 | $62k | $215k |
| 55758 | Kinney | St. Louis County | 121 | 72 | $57k | $151k |
| 55760 | McGregor | Aitkin County | 2,894 | 10 | $60k | $275k |
| 55763 | Makinen | St. Louis County | 495 | 3 | $81k | $210k |
| 55764 | Marble | Itasca County | 541 | 146 | $64k | $102k |
| 55765 | Meadowlands | St. Louis County | 803 | 6 | $75k | $203k |
| 55766 | Melrude | St. Louis County | PO Box or unique | – | – | – |
| 55767 | Moose Lake | Carlton County | 4,582 | 81 | $79k | $247k |
| 55768 | Mountain Iron | St. Louis County | 2,964 | 33 | $86k | $199k |
| 55769 | Nashwauk | Itasca County | 2,219 | 13 | $66k | $149k |
| 55771 | Orr | St. Louis County | 1,484 | 1 | $68k | $169k |
| 55772 | Nett Lake | Koochiching County | 77 | 374 | – | $157k |
| 55775 | Pengilly | Itasca County | 1,309 | 21 | $90k | $234k |
| 55777 | Virginia | St. Louis County | PO Box or unique | – | – | – |
| 55779 | Saginaw | St. Louis County | 3,905 | 32 | $94k | $283k |
| 55780 | Sawyer | Carlton County | 277 | 15 | $76k | $194k |
| 55781 | Side Lake | Itasca County | 821 | 10 | $101k | $393k |
| 55782 | Soudan | St. Louis County | 420 | 39 | $56k | $110k |
| 55783 | Sturgeon Lake | Pine County | 2,639 | 19 | $82k | $267k |
| 55784 | Swan River | Itasca County | 149 | 6 | $59k | $225k |
| 55785 | Swatara | Aitkin County | 271 | 2 | $57k | $182k |
| 55786 | Taconite | Itasca County | 118 | 47 | $62k | $127k |
| 55787 | Tamarack | Aitkin County | 621 | 5 | $66k | $246k |
| 55790 | Tower | St. Louis County | 1,847 | 13 | $77k | $329k |
| 55791 | Twig | St. Louis County | PO Box or unique | – | – | – |
| 55792 | Virginia | St. Louis County | 9,663 | 101 | $54k | $130k |
| 55793 | Warba | Itasca County | 666 | 8 | $70k | $200k |
| 55795 | Willow River | Pine County | 1,807 | 21 | $69k | $224k |
| 55796 | Winton | Lake County | 135 | 616 | $52k | $96k |
| 55797 | Wrenshall | Carlton County | 1,457 | 22 | $87k | $257k |
| 55798 | Wright | Carlton County | 627 | 6 | $78k | $233k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.