| Post Office | Subsidiary | Type | County | photos,date | Notes |
| ABERDEEN | Brown | 91,01 | |||
| ABERDEEN | Downtown | Sx | Brown | 01 | |
| ABERDEEN | Stratford | CPO | Brown | 59 | was indep then |
| ABERDEEN | Sta # 1 | S | Brown | ||
| ABERDEEN | Sta # 2 | S | Brown | ||
| AGAR | Sully | 99 | |||
| ALCESTER | Union | ||||
| ALEXANDRIA | Hanson | ||||
| ALLEN | Bennett | 08 | |||
| ALPENA | Jerauld | 01 | |||
| ALPENA | Virgil | CPO | Beadle | 01 | |
| ANDOVER | Day | 89 | |||
| ARLINGTON | Kingsbury | 00 | |||
| ARMOUR | Douglas | 03 | |||
| ARTESIAN | Sanborn | 96 | |||
| ARTESIAN | Fedora | CPO | Miner | 94 | was indep then |
| ASHTON | Spink | 01 | |||
| ASTORIA | Deuel | ||||
| AURORA | Brookings | 01,08 | |||
| AVON | Bon Homme | ||||
| BADGER | Kingsbury | ||||
| BALTIC | Minnehaha | 01 | |||
| BARNARD | Brown | 98 | |||
| BATESLAND | Shannon | 73,08 | |||
| BATH | Brown | 91,98 | |||
| BELLE FOURCHE | Butte | 91,03,04 | |||
| BELLE FOURCHE | First Western Bank | S | Butte | ||
| BELVIDERE | Jackson | 00 | |||
| BERESFORD | Union | 99,05 | |||
| BIG STONE CITY | Grant | 77,91,08 | |||
| BISON | Perkins | 08 | |||
| BISON | Ralph | CPO | Harding | 97 | |
| BLACK HAWK | Meade | 80,91,02,08 | |||
| BLUNT | Hughes | 00 | |||
| BONESTEEL | Gregory | 94 | |||
| BOWDLE | Edmunds | 91 | |||
| BOX ELDER | Pennington | 00 | |||
| BRADLEY | Clark | ||||
| BRANDON | Minnehaha | ||||
| BRANDT | Deuel | 01 | |||
| BRENTFORD | Spink | 98 | |||
| BRIDGEWATER | McCook | ||||
| BRISTOL | Day | 59,91 | |||
| BRITTON | Marshall | 93 | |||
| BROOKINGS | Brookings | 00 | |||
| BROOKINGS | University | S | Brookings | ||
| BRUCE | Brookings | 78,04 | |||
| BRYANT | Hamlin | ||||
| BUFFALO | Harding | 80,84,,02,06 | |||
| BUFFALO GAP | Custer | 97 | |||
| BULLHEAD | Corson | 05 | |||
| BURBANK | Clay | ||||
| BURKE | Gregory | 92 | |||
| CAMP CROOK | Harding | 80,06 | |||
| CAMP CROOK | Sky Ranch | CPO | Harding | 80 | |
| CANISTOTA | McCook | ||||
| CANOVA | Miner | ||||
| CANTON | Lincoln | 98 | |||
| CAPUTA | Pennington | 88 | |||
| CARPENTER | Clark | ||||
| CARTHAGE | Miner | 99 | |||
| CASTLEWOOD | Hamlin | ||||
| CAVOUR | Beadle | 99 | |||
| CENTERVILLE | Turner | ||||
| CHAMBERLAIN | Brule | 59,77,00 | |||
| CHANCELLOR | Turner | 90,03 | |||
| CHESTER | Lake | 08 | |||
| CLAIRE CITY | Roberts | 01 | |||
| CLAREMONT | Brown | 93 | |||
| CLARK | Clark | 98 | |||
| CLEAR LAKE | Deuel | 01 | |||
| COLMAN | Moody | 92,08 | |||
| COLOME | Tripp | 90 | |||
| COLTON | Minnehaha | 08 | |||
| COLUMBIA | Brown | 98 | |||
| CONDE | Spink | 98 | |||
| CORONA | Roberts | ||||
| CORSICA | Douglas | 03 | |||
| CORSICA | Harrison | CPO | Douglas | ||
| CRESBARD | Faulk | ||||
| CROOKS | Minnehaha | 08 | |||
| CUSTER | Custer | 95,00,02 | |||
| CUSTER | Crazy Horse | CPO | Custer | 07 | |
| DAKOTA CENTRAL P&DF | Beadle | 00 | |||
| DAVIS | Turner | 90 | |||
| DEADWOOD | Lawrence | 80,02,03 | |||
| DELL RAPIDS | Minnehaha | 01 | |||
| DELMONT | Douglas | 90 | |||
| DeSMET | Kingsbury | 59,96,00 | |||
| DIMOCK | Hutchinson | 90 | |||
| DOLAND | Spink | 98 | |||
| DRAPER | Jones | 77,00 | |||
| DUPREE | Ziebach | 91 | |||
| DUPREE | Cherry Creek | CPO | Ziebach | 05 | |
| EAGLE BUTTE | Dewey | 91 | |||
| EDEN | Marshall | 77 | |||
| EDGEMONT | Fall River | 50,59 | |||
| EGAN | Moody | 77 | |||
| ELK POINT | Union | ||||
| ELKTON | Brookings | 08 | |||
| EMERY | Hanson | 98 | |||
| ENNING | Meade | 80,05 | |||
| ESTELLINE | Hamlin | ||||
| ETHAN | Davison | 90 | |||
| EUREKA | McPherson | ||||
| FAIRBURN | Custer | 80 | |||
| FAIRFAX | Gregory | 94 | |||
| FAIRVIEW | Lincoln | 85,98 | |||
| FAITH | Meade | 91 | |||
| FAULKTON | Faulk | 91 | |||
| FLANDREAU | Moody | 01,04 | |||
| FLORENCE | Codington | ||||
| FORT MEADE | Meade | 80,95 | |||
| FORT PIERRE | Stanley | 00 | |||
| FORT THOMPSON | Buffalo | 01 | |||
| FRANKFORT | Spink | 91 | |||
| FREDERICK | Brown | 98 | |||
| FREDERICK | Houghton | CPO | Brown | 93 | indep in 93 |
| FREEMAN | Hutchinson | 90 | |||
| FULTON | Hanson | ||||
| GANN VALLEY | Buffalo | 01 | |||
| GARDEN CITY | Clark | ||||
| GARRETSON | Minnehaha | ||||
| GARY | Deuel | ||||
| GAYVILLE | Yankton | ||||
| GAYVILLE | Meckling | CPO | Clay | ||
| GEDDES | Charles Mix | ||||
| GETTYSBURG | Potter | 91 | |||
| GLENCROSS | Dewey | ||||
| GLENHAM | Walworth | 89,00 | |||
| GOODWIN | Deuel | 91,92 | |||
| GREGORY | Gregory | ||||
| GRENVILLE | Day | ||||
| GROTON | Brown | 89 | |||
| GROTON | Ferney | CPO | Brown | ||
| HAMILL | Tripp | 01 | |||
| HARRISBURG | Lincoln | ||||
| HARROLD | Hughes | ||||
| HARTFORD | Minnehaha | 90 | |||
| HAYTI | Hamlin | ||||
| HAZEL | Hamlin | ||||
| HECLA | Brown | 93 | |||
| HENRY | Codington | 91 | |||
| HERMOSA | Custer | 80 | |||
| HERREID | Campbell | 00 | |||
| HERRICK | Gregory | 92 | |||
| HERRICK | Saint Charles | CPO | Gregory | 94 | |
| HIGHMORE | Hyde | 00 | |||
| HIGHMORE | Stephan | CPO | Hyde | ||
| HILL CITY | Pennington | 58,02 | |||
| HITCHCOCK | Beadle | ||||
| HOSMER | Edmunds | ||||
| HOT SPRINGS | Fall River | 80,96,02 | |||
| HOVEN | Potter | ||||
| HOWARD | Miner | ||||
| HOWES | Meade | 80,08 | |||
| HUDSON | Lincoln | ||||
| HUMBOLDT | Minnehaha | 90 | |||
| HURLEY | Turner | ||||
| HURON | Beadle | 00 | |||
| HURON | Lewis Drug | S | Beadle | ||
| IDEAL | Tripp | ||||
| INTERIOR | Jackson | 07 | |||
| IPSWICH | Edmunds | 89 | |||
| IRENE | Clay | ||||
| IROQUOIS | Kingsbury | 99 | |||
| ISABEL | Dewey | 05 | |||
| JAVA | Walworth | 05 | |||
| JEFFERSON | Union | 98 | |||
| KADOKA | Jackson | 91,93 | |||
| KAYLOR | Hutchinson | 90 | |||
| KELDRON | Corson | 99 | |||
| KENNEBEC | Lyman | 00 | |||
| KEYSTONE | Pennington | 50,93 | |||
| KIMBALL | Brule | 59,77,00 | |||
| KRANZBURG | Codington | 91 | |||
| KYLE | Shannon | 89,08 | |||
| LAKE ANDES | Charles Mix | ||||
| LAKE CITY | Marshall | 77 | |||
| LAKE NORDEN | Hamlin | ||||
| LAKE PRESTON | Kingsbury | 00 | |||
| LAKE PRESTON | Erwin | CPO | Kingsbury | ||
| LANGFORD | Marshall | 59,93 | |||
| LANTRY | Dewey | 91 | |||
| LEAD | Lawrence | 80,02,03 | |||
| LEBANON | Potter | 91 | |||
| LEMMON | Perkins | 89,08 | |||
| LENNOX | Lincoln | 98 | |||
| LEOLA | McPherson | ||||
| LESTERVILLE | Yankton | ||||
| LETCHER | Sanborn | 90 | |||
| LITTLE EAGLE | Corson | ||||
| LODGEPOLE | Perkins | 97 | |||
| LONGLAKE | McPherson | ||||
| LOWER BRULE | Lyman | 01 | |||
| LYONS | Minnehaha | 08 | |||
| MADISON | Lake | 97,08 | |||
| MADISON | Lewis Drug | S | Lake | ||
| MANDERSON | Shannon | 73,08 | |||
| MANSFIELD | Spink | 01 | |||
| MARION | Turner | 03 | |||
| MARION | Monroe | CPO | Turner | 90 | |
| MARTIN | Bennett | 78,89,08 | |||
| MARTIN | Long Valley | CPO | Jackson | 89 | |
| MARVIN | Grant | 89 | |||
| McINTOSH | Corson | 89,05 | |||
| McLAUGHLIN | Corson | 89 | |||
| MEADOW | Perkins | 08 | |||
| MELLETTE | Spink | 01 | |||
| MENNO | Hutchinson | 90 | |||
| MIDLAND | Haakon | 89 | |||
| MILBANK | Grant | 89 | |||
| MILESVILLE | Haakon | 80 | |||
| MILLER | Hand | 00 | |||
| MISSION | Todd | ||||
| MISSION HILL | Yankton | ||||
| MITCHELL | Davison | 80,04 | |||
| MOBRIDGE | Walworth | 00 | |||
| MONTROSE | McCook | 90 | |||
| MORRISTOWN | Corson | 89,99 | |||
| MOUND CITY | Campbell | 00 | |||
| MOUNT VERNON | Davison | 90 | |||
| MUD BUTTE | Meade | 91 | |||
| MURDO | Jones | 59,77,00,07 | |||
| NEMO | Lawrence | 80,90 | |||
| NEW EFFINGTON | Roberts | 76 | |||
| NEWELL | Butte | 97,08 | |||
| NEW HOLLAND | Douglas | 03 | |||
| NEW UNDERWOOD | Pennington | 07 | |||
| NISLAND | Butte | 97,08 | |||
| NORRIS | Mellette | ||||
| NORTH SIOUX CITY | Union | 05 | |||
| NORTHVILLE | Spink | 01 | |||
| NUNDA | Lake | 04 | |||
| NUNDA | Rutland | CPO | Lake | 04 | |
| OACOMA | Lyman | 77,00 | |||
| OELRICHS | Fall River | 73,02 | |||
| OELRICHS | Smithwick | CPO | Fall River | 97 | |
| OGLALA | Shannon | 73,08 | |||
| OKATON | Jones | 77 | |||
| OKREEK | Todd | ||||
| OLDHAM | Kingsbury | ||||
| OLIVET | Hutchinson | 89 | |||
| ONAKA | Faulk | ||||
| ONIDA | Sully | 00 | |||
| ORAL | Fall River | 97 | |||
| ORIENT | Faulk | 91 | |||
| PARKER | Turner | 03 | |||
| PARKSTON | Hutchinson | 80 | |||
| PARMELEE | Todd | 93 | |||
| PEEVER | Roberts | 76,77,01 | |||
| PHILIP | Haakon | 93 | |||
| PICKSTOWN | Charles Mix | 98 | |||
| PIEDMONT | Meade | 80,08 | |||
| PIERPONT | Day | 59 | |||
| PIERRE | Hughes | 00 | |||
| PIERRE | Hayes | CPO | Stanley | 99 | |
| PINE RIDGE | Shannon | 73,01,08 | |||
| PLANKINTON | Aurora | 77,99 | |||
| PLATTE | Charles Mix | 03 | |||
| POLLOCK | Campbell | 93 | |||
| PORCUPINE | Shannon | 73,08 | |||
| PRAIRIE CITY | Perkins | 97,08 | |||
| PRESHO | Lyman | 59,77,91 | |||
| PRINGLE | Custer | 58,00,02 | |||
| PUKWANA | Brule | 77,91 | |||
| QUINN | Pennington | 07 | |||
| RAMONA | Lake | 08 | |||
| RAPID CITY | Pennington | 77,00,02,07 | |||
| RAPID CITY | Sta # 1 | S | Pennington | ||
| RAPID CITY | Sta # 4 | S | Pennington | 91 | |
| RAPID CITY | Sta # 5 | S | Pennington | ||
| RAPID CITY | Sta # 6 | S | Pennington | ||
| RAPID CITY | Sta # 7 | S | Pennington | ||
| RAYMOND | Clark | 98 | |||
| REDFIELD | Spink | 91 | |||
| REDIG | Harding | 80,91,08 | |||
| REE HEIGHTS | Hand | 00 | |||
| RELIANCE | Lyman | 00,01 | |||
| REVA | Harding | 80,08 | |||
| REVILLO | Grant | ||||
| RIDGEVIEW | Dewey | 91 | |||
| ROCKHAM | Faulk | 91 | |||
| ROSCOE | Edmunds | 89 | |||
| ROSEBUD | Todd | 93 | |||
| ROSHOLT | Roberts | 76 | |||
| ROSLYN | Day | ||||
| SAINT FRANCIS | Todd | ||||
| SAINT LAWRENCE | Hand | 00 | |||
| SAINT ONGE | Lawrence | 80,91,03 | |||
| SALEM | McCook | 90 | |||
| SCENIC | Pennington | 84,07 | |||
| SCOTLAND | Bon Homme | ||||
| SELBY | Walworth | 89,99 | |||
| SENECA | Faulk | 91 | |||
| SINAI | Brookings | 90,08 | |||
| SIOUX FALLS | Minnehaha | ||||
| SIOUX FALLS | Augustana College | S | Minnehaha | ||
| SIOUX FALLS | Cliff Avenue | Ax | Minnehaha | ||
| SIOUX FALLS | Meadows | Sx | Minnehaha | 03 | |
| SIOUX FALLS | Renner | CPO | Minnehaha | 01 | |
| SIOUX FALLS | Rowena | CPO | Minnehaha | ||
| SIOUX FALLS | Sioux Falls P&DC | PD | Minnehaha | 01 | |
| SIOUX FALLS | Southwest | Ax | Minnehaha | ||
| SIOUX FALLS | Sta # 1 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 2 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 3 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 4 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 5 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 6 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 7 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 8 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 9 | S | Minnehaha | ||
| SIOUX FALLS | Sta # 11 | S | Minnehaha | ||
| SISSETON | Roberts | 76,77,01 | |||
| SISSETON | Agency Village | CPO | Roberts | ||
| SOUTH SHORE | Codington | ||||
| SPEARFISH | Lawrence | 80,91,04 | |||
| SPEARFISH | Rushmore Bank | S | Lawrence | ||
| SPENCER | McCook | ||||
| SPRINGFIELD | Bon Homme | ||||
| STICKNEY | Aurora | 77 | |||
| STOCKHOLM | Grant | ||||
| STOCKHOLM | Strandburg | CPO | Grant | ||
| STURGIS | Meade | 80,91,04 | |||
| SUMMIT | Roberts | 77,89,01 | |||
| TABOR | Bon Homme | 66,90 | |||
| TEA | Lincoln | 98 | |||
| TIMBER LAKE | Dewey | 05 | |||
| TOLSTOY | Potter | ||||
| TORONTO | Deuel | 01 | |||
| TRAIL CITY | Dewey | ||||
| TRENT | Moody | 01 | |||
| TRIPP | Hutchinson | 90 | |||
| TULARE | Spink | 99 | |||
| TURTON | Spink | 98 | |||
| TUTHILL | Bennett | ||||
| TWIN BROOKS | Grant | 89 | |||
| TYNDALL | Bon Homme | 91 | |||
| UNION CENTER | Meade | 80,05 | |||
| UTICA | Yankton | ||||
| VALE | Butte | 80,08 | |||
| VALLEY SPRINGS | Minnehaha | ||||
| VEBLEN | Marshall | 59 | |||
| VERMILLION | Clay | ||||
| VIBORG | Turner | ||||
| VIVIAN | Lyman | 59,77 | |||
| VOLGA | Brookings | 90,00 | |||
| VOLIN | Yankton | 92 | |||
| WAGNER | Charles Mix | ||||
| WAGNER | Dante | CPO | Charles Mix | ||
| WAGNER | Marty | CPO | Charles Mix | ||
| WAKONDA | Clay | ||||
| WAKPALA | Corson | ||||
| WALL | Pennington | 90,99,03,07 | |||
| WALLACE | Codington | ||||
| WANBLEE | Jackson | ||||
| WARNER | Brown | 01 | |||
| WASTA | Pennington | 91,02,07 | |||
| WATAUGA | Corson | 89,99 | |||
| WATERTOWN | Codington | 92,01 | |||
| WATERTOWN | LaBolt | CPO | Grant | ||
| WATERTOWN | Sta # 1 | S | Codington | ||
| WATERTOWN | Sta # 2 | S | Codington | ||
| WATERTOWN | Sta # 3 | S | Codington | ||
| WAUBAY | Day | 89 | |||
| WAUBAY | Ortley | CPO | Roberts | 89 | |
| WEBSTER | Day | 50,59,05 | |||
| WEBSTER | Mikes Jack & Jill | S | Day | ||
| WENTWORTH | Lake | 08 | |||
| WESSINGTON | Beadle | 00 | |||
| WESSINGTON SPRINGS | Jerauld | 98 | |||
| WESTPORT | Brown | 98 | |||
| WHITE | Brookings | 01 | |||
| WHITEHORSE | Dewey | 05 | |||
| WHITE LAKE | Aurora | 59,77 | |||
| WHITE OWL | Meade | 80 | |||
| WHITE RIVER | Mellette | ||||
| WHITEWOOD | Lawrence | 80,91,02 | |||
| WILLOW LAKE | Clark | 88 | |||
| WILLOW LAKE | Vienna | CPO | Clark | 98 | |
| WILMOT | Roberts | ||||
| WINFRED | Lake | 08 | |||
| WINNER | Tripp | 03 | |||
| WITTEN | Tripp | ||||
| WOLSEY | Beadle | 99,00 | |||
| WOOD | Mellette | 77,03 | |||
| WOONSOCKET | Sanborn | ||||
| WOONSOCKET | Lane | CPO | Jerauld | 89 | |
| WORTHING | Lincoln | ||||
| WOUNDED KNEE | Shannon | 73,08 | |||
| YALE | Beadle | ||||
| YANKTON | Yankton | ||||
| YANKTON | Fox Run Carrier | Ax | Yankton | ||
| YANKTON | Hy Vee | S | Yankton | ||
| (73.8%) | |||||
| < < DPO > > | |||||
| Belle Fourche | Fruitdale | CPO | Butte | 80 | DPO 01 |
| Colome | Dallas | CPO | Tripp | 90(fuzzy) | |
| Dolton | Turner | 90 | |||
| Forestburg | Sanborn | 90 | |||
| Green Valley | Buffalo | 01 | |||
| Hammer | Roberts | 76 | DPO 73 | ||
| Hereford | Meade | 80 | DPO 90s | ||
| Ludlow | Harding | 80 | |||
| Lyman | Lyman | 44 | |||
| Marcus | Meade | 80 | DPO 97 | ||
| Mission Ridge | Stanley | 80 | DPO 89 | ||
| Mina | Corson | 89 | DPO 97 | ||
| Rapid City | Bethlehem | CPO | Meade | 80 | DPO 99 |
| Rapid City | Paw Paw | SX | Pennington | 91 | |
| Sioux Falls | Buffalo Ridge | CPO | Minnehaha | 90 | DPO 02 |
| Stamford | Jackson | 59 | |||
| Stoneville | Meade | 80 | DPO late 80s | ||
| Stratford | Brown | 98 | |||
| Sturgis | Plainview | CPO | Meade | 80 | DPO 82 |
| Terraville | Lawrence | 80 | DPO 85 | ||
| Vayland | Hand | 83 | DPO 72 | ||
| Zell | Faulk | 91 | DPO 92 | ||