| Aberdeen Regional (ABR) | Aberdeen | SD | Prentice Municipal to Aberdeen Regional |
| Antrim County (ACB) | Bellaire | MI | Prentice Municipal to Antrim County |
| Lenawee County (ADG) | Adrian | MI | Prentice Municipal to Lenawee County |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Prentice Municipal to Albert Lea Municipal |
| Amery Municipal (AHH) | Amery | WI | Prentice Municipal to Amery Municipal |
| Atlantic Municipal (AIO) | Atlantic | IA | Prentice Municipal to Atlantic Municipal |
| Waterloo Regional (ALO) | Waterloo | IA | Prentice Municipal to Waterloo Regional |
| Gratiot Community (AMN) | Alma | MI | Prentice Municipal to Gratiot Community |
| Ames Municipal (AMW) | Ames | IA | Prentice Municipal to Ames Municipal |
| Tri-State Steuben County (ANQ) | Angola | IN | Prentice Municipal to Tri-State Steuben County |
| Alpena County Regional (APN) | Alpena | MI | Prentice Municipal to Alpena County Regional |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Prentice Municipal to Ann Arbor Municipal |
| John F Kennedy Memorial (ASX) | Ashland | WI | Prentice Municipal to John F Kennedy Memorial |
| Appleton International (ATW) | Appleton | WI | Prentice Municipal to Appleton International |
| Watertown Regional (ATY) | Watertown | SD | Prentice Municipal to Watertown Regional |
| Austin Municipal (AUM) | Austin | MN | Prentice Municipal to Austin Municipal |
| Wausau Downtown (AUW) | Wausau | WI | Prentice Municipal to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Prentice Municipal to Chicago/Aurora Municipal |
| Algona Municipal (AXG) | Algona | IA | Prentice Municipal to Algona Municipal |
| Chandler Field (AXN) | Alexandria | MN | Prentice Municipal to Chandler Field |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Prentice Municipal to Kalamazoo/Battle Creek International |
| Benson Municipal (BBB) | Benson | MN | Prentice Municipal to Benson Municipal |
| Baudette International (BDE) | Baudette | MN | Prentice Municipal to Baudette International |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Prentice Municipal to Southwest Michigan Regional |
| Bemidji Regional (BJI) | Bemidji | MN | Prentice Municipal to Bemidji Regional |
| Brookings Regional (BKX) | Brookings | SD | Prentice Municipal to Brookings Regional |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Prentice Municipal to Central Illinois Regional at Bloomington Normal |
| Boone Municipal (BNW) | Boone | IA | Prentice Municipal to Boone Municipal |
| Brainerd Lakes Regional (BRD) | Brainerd | MN | Prentice Municipal to Brainerd Lakes Regional |
| Southeast Iowa Regional (BRL) | Burlington | IA | Prentice Municipal to Southeast Iowa Regional |
| W K Kellogg Regional (BTL) | Battle Creek | MI | Prentice Municipal to W K Kellogg Regional |
| Wexford County (CAD) | Cadillac | MI | Prentice Municipal to Wexford County |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | Prentice Municipal to Council Bluffs Municipal |
| Northeast Iowa Regional (CCY) | Charles City | IA | Prentice Municipal to Northeast Iowa Regional |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Prentice Municipal to The Eastern Iowa |
| Arthur N Neu (CIN) | Carroll | IA | Prentice Municipal to Arthur N Neu |
| Chippewa County International (CIU) | Sault Ste Marie | MI | Prentice Municipal to Chippewa County International |
| Crookston Municipal Kirkwood Field (CKN) | Crookston | MN | Prentice Municipal to Crookston Municipal Kirkwood Field |
| Clintonville Municipal (CLI) | Clintonville | WI | Prentice Municipal to Clintonville Municipal |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Prentice Municipal to University of Illinois-Willard |
| Houghton County Memorial (CMX) | Hancock | MI | Prentice Municipal to Houghton County Memorial |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Prentice Municipal to Sparta/Fort Mccoy |
| Creston Municipal (CSQ) | Creston | IA | Prentice Municipal to Creston Municipal |
| Canton Municipal (CTK) | Canton | SD | Prentice Municipal to Canton Municipal |
| Central Wisconsin (CWA) | Mosinee | WI | Prentice Municipal to Central Wisconsin |
| Clinton Municipal (CWI) | Clinton | IA | Prentice Municipal to Clinton Municipal |
| Dubuque Regional (DBQ) | Dubuque | IA | Prentice Municipal to Dubuque Regional |
| Decorah Municipal (DEH) | Decorah | IA | Prentice Municipal to Decorah Municipal |
| Duluth International (DLH) | Duluth | MN | Prentice Municipal to Duluth International |
| Denison Municipal (DNS) | Denison | IA | Prentice Municipal to Denison Municipal |
| Vermilion Regional (DNV) | Danville | IL | Prentice Municipal to Vermilion Regional |
| Dupage (DPA) | Chicago | IL | Prentice Municipal to Dupage |
| Drummond Island (DRE) | Drummond Island | MI | Prentice Municipal to Drummond Island |
| Des Moines International (DSM) | Des Moines | IA | Prentice Municipal to Des Moines International |
| Detroit Lakes-Wething Field (DTL) | Detroit Lakes | MN | Prentice Municipal to Detroit Lakes-Wething Field |
| Davenport Municipal (DVN) | Davenport | IA | Prentice Municipal to Davenport Municipal |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | Prentice Municipal to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | Prentice Municipal to Webster City Municipal |
| Iosco County (ECA) | East Tawas | MI | Prentice Municipal to Iosco County |
| Jefferson Municipal (EFW) | Jefferson | IA | Prentice Municipal to Jefferson Municipal |
| Eagle River Union (EGV) | Eagle River | WI | Prentice Municipal to Eagle River Union |
| Elkhart Municipal (EKI) | Elkhart | IN | Prentice Municipal to Elkhart Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Prentice Municipal to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | Prentice Municipal to Keokuk Municipal |
| Delta County (ESC) | Escanaba | MI | Prentice Municipal to Delta County |
| Estherville Municipal (EST) | Estherville | IA | Prentice Municipal to Estherville Municipal |
| West Bend Municipal (ETB) | West Bend | WI | Prentice Municipal to West Bend Municipal |
| Eveleth-Virginia Municipal (EVM) | Eveleth | MN | Prentice Municipal to Eveleth-Virginia Municipal |
| Hector International Fargo (FAR) | Fargo | ND | Prentice Municipal to Hector International Fargo |
| Faribault Municipal (FBL) | Faribault | MN | Prentice Municipal to Faribault Municipal |
| Flying Cloud (FCM) | Minneapolis | MN | Prentice Municipal to Flying Cloud |
| Albertus (FEP) | Freeport | IL | Prentice Municipal to Albertus |
| Fairfield Municipal (FFL) | Fairfield | IA | Prentice Municipal to Fairfield Municipal |
| Fergus Falls Municipal-Einar Mickelson Field (FFM) | Fergus Falls | MN | Prentice Municipal to Fergus Falls Municipal-Einar Mickelson Field |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | Prentice Municipal to Fond Du Lac County |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Prentice Municipal to Fort Madison Municipal |
| Bishop International (FNT) | Flint | MI | Prentice Municipal to Bishop International |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | Prentice Municipal to Fort Dodge Regional |
| Fairmont Municipal (FRM) | Fairmont | MN | Prentice Municipal to Fairmont Municipal |
| Sioux Falls Regional, Joe Foss Field (FSD) | Sioux Falls | SD | Prentice Municipal to Sioux Falls Regional, Joe Foss Field |
| Forest City Municipal (FXY) | Forest City | IA | Prentice Municipal to Forest City Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Prentice Municipal to Galesburg Municipal |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Prentice Municipal to Gladwin Zettel Memorial |
| Grand Forks International (GFK) | Grand Forks | ND | Prentice Municipal to Grand Forks International |
| Gaylord Regional (GLR) | Gaylord | MI | Prentice Municipal to Gaylord Regional |
| Grand Rapids/Itasca County-Gordon Newstrom Field (GPZ) | Grand Rapids | MN | Prentice Municipal to Grand Rapids/Itasca County-Gordon Newstrom Field |
| Austin Straubel International (GRB) | Green Bay | WI | Prentice Municipal to Austin Straubel International |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | Prentice Municipal to Grand Marais/Cook County |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Prentice Municipal to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Prentice Municipal to Goshen Municipal |
| Grantsburg Muni (GTG) | Grantsburg | WI | Prentice Municipal to Grantsburg Muni |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Prentice Municipal to Grissom Aeroplex/Arb |
| Gary/Chicago International (GYY) | GARY | IN | Prentice Municipal to Gary/Chicago International |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Prentice Municipal to Three Rivers Municipal Dr Haines |
| Range Regional (HIB) | Hibbing | MN | Prentice Municipal to Range Regional |
| Park Township (HLM) | Holland | MI | Prentice Municipal to Park Township |
| Huron Regional (HON) | Huron | SD | Prentice Municipal to Huron Regional |
| Hampton Municipal (HPT) | Hampton | IA | Prentice Municipal to Hampton Municipal |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Prentice Municipal to Roscommon County - Blodgett Memorial |
| Humboldt Municipal (HUD) | Humboldt | IA | Prentice Municipal to Humboldt Municipal |
| Sawyer County (HYR) | Hayward | WI | Prentice Municipal to Sawyer County |
| Ida Grove Municipal (IDG) | Ida Grove | IA | Prentice Municipal to Ida Grove Municipal |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Prentice Municipal to Iowa Falls Municipal |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Prentice Municipal to Jacksonville Municipal |
| Greater Kankakee (IKK) | Kankakee | IL | Prentice Municipal to Greater Kankakee |
| Willmar Municipal/John L Rice Field (ILL) | Willmar | MN | Prentice Municipal to Willmar Municipal/John L Rice Field |
| Ford (IMT) | Iron Mountain | MI | Prentice Municipal to Ford |
| Falls Intl-Einarson Field (INL) | International Falls | MN | Prentice Municipal to Falls Intl-Einarson Field |
| Iowa City Municipal (IOW) | Iowa City | IA | Prentice Municipal to Iowa City Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Prentice Municipal to Kirksville Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Prentice Municipal to Kirsch Municipal |
| Schoolcraft County (ISQ) | Manistique | MI | Prentice Municipal to Schoolcraft County |
| Alexander Field South Wood County (ISW) | Wisconsin Rapids | WI | Prentice Municipal to Alexander Field South Wood County |
| Gogebic-Iron County (IWD) | Ironwood | MI | Prentice Municipal to Gogebic-Iron County |
| Steinbach (JB3) | Steinbach | MB | Prentice Municipal to Steinbach |
| Joliet Regional Airport (JOT) | Joliet | IL | Prentice Municipal to Joliet Regional Airport |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Prentice Municipal to Souther Wisconsin Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Prentice Municipal to Jackson County/Reynolds Field |
| Kentland Municipal (KKT) | Kentland | IN | Prentice Municipal to Kentland Municipal |
| Purdue University (LAF) | Lafayette | IN | Prentice Municipal to Purdue University |
| Capital Region International (LAN) | Lansing | MI | Prentice Municipal to Capital Region International |
| Mason County (LDM) | Ludington | MI | Prentice Municipal to Mason County |
| Tri-County Regional (LNR) | Lone Rock | WI | Prentice Municipal to Tri-County Regional |
| Lewis University Chicago Romeoville (LOT) | Chicago/Romeoville | IL | Prentice Municipal to Lewis University Chicago Romeoville |
| La Porte Municipal (LPO) | La Porte | IN | Prentice Municipal to La Porte Municipal |
| Le Mars Municipal (LRJ) | Le Mars | IA | Prentice Municipal to Le Mars Municipal |
| La Crosse Regional (LSE) | La Crosse | WI | Prentice Municipal to La Crosse Regional |
| Ely Municipal (LYU) | Ely | MN | Prentice Municipal to Ely Municipal |
| Quentin Aanenson Field (LYV) | Luverne | MN | Prentice Municipal to Quentin Aanenson Field |
| Manistee County-Blacker (MBL) | Manistee | MI | Prentice Municipal to Manistee County-Blacker |
| Mbs International (MBS) | Saginaw | MI | Prentice Municipal to Mbs International |
| Mackinac Island (MCD) | Mackinac Island | MI | Prentice Municipal to Mackinac Island |
| Mason City Municipal (MCW) | Mason City | IA | Prentice Municipal to Mason City Municipal |
| Chicago Midway International (MDW) | Chicago | IL | Prentice Municipal to Chicago Midway International |
| Marshfield Municipal (MFI) | Marshfield | WI | Prentice Municipal to Marshfield Municipal |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Prentice Municipal to Michigan City Municipal-Phillips Field |
| Mitchell Municipal (MHE) | Mitchell | SD | Prentice Municipal to Mitchell Municipal |
| Crystal (MIC) | Minneapolis | MN | Prentice Municipal to Crystal |
| Marshalltown Municipal (MIW) | Marshalltown | IA | Prentice Municipal to Marshalltown Municipal |
| Jackson Municipal (MJQ) | Jackson | MN | Prentice Municipal to Jackson Municipal |
| Milwaukee General Mitchell International (MKE) | Milwaukee | WI | Prentice Municipal to Milwaukee General Mitchell International |
| Muskegon County (MKG) | Muskegon | MI | Prentice Municipal to Muskegon County |
| Mankato Regional (MKT) | Mankato | MN | Prentice Municipal to Mankato Regional |
| Quad City International (MLI) | Moline | IL | Prentice Municipal to Quad City International |
| Southwest Minnesota Regional Marshall/Ryan Field (MML) | Marshall | MN | Prentice Municipal to Southwest Minnesota Regional Marshall/Ryan Field |
| Menominee-Marinette Twin County (MNM) | Menominee | MI | Prentice Municipal to Menominee-Marinette Twin County |
| Mount Pleasant Municipal (MOP) | Mount Pleasant | MI | Prentice Municipal to Mount Pleasant Municipal |
| Morris Municipal/Charlie Schmidt Field (MOX) | Morris | MN | Prentice Municipal to Morris Municipal/Charlie Schmidt Field |
| Mount Pleasant Municipal (MPZ) | Mount Pleasant | IA | Prentice Municipal to Mount Pleasant Municipal |
| Macomb Municipal (MQB) | Macomb | IL | Prentice Municipal to Macomb Municipal |
| Sawyer International (MQT) | Marquette | MI | Prentice Municipal to Sawyer International |
| Truax Field/Dane County Regional (MSN) | Madison | WI | Prentice Municipal to Truax Field/Dane County Regional |
| Minneapolis St Paul International/Wold-Chamberlain (MSP) | Minneapolis | MN | Prentice Municipal to Minneapolis St Paul International/Wold-Chamberlain |
| Manitowoc County (MTW) | Manitowoc | WI | Prentice Municipal to Manitowoc County |
| Muscatine Municipal (MUT) | Muscatine | IA | Prentice Municipal to Muscatine Municipal |
| Montevideo-Chippewa County (MVE) | Montevideo | MN | Prentice Municipal to Montevideo-Chippewa County |
| Lawrence J Timmerman (MWC) | Milwaukee | WI | Prentice Municipal to Lawrence J Timmerman |
| Windom Municipal (MWM) | Windom | MN | Prentice Municipal to Windom Municipal |
| Monticello Regional (MXO) | Monticello | IA | Prentice Municipal to Monticello Regional |
| Jerry Tyler Memorial (NLE) | Niles | MI | Prentice Municipal to Jerry Tyler Memorial |
| Slayton Municipal (NSL) | Slayton | MN | Prentice Municipal to Slayton Municipal |
| L O Simenstad Municipal (OEO) | Osceola | WI | Prentice Municipal to L O Simenstad Municipal |
| Eppley Airfield (OMA) | Omaha | NE | Prentice Municipal to Eppley Airfield |
| Winona Municipal-Max Conrad Field (ONA) | Winona | MN | Prentice Municipal to Winona Municipal-Max Conrad Field |
| Oskaloosa Municipal (OOA) | Oskaloosa | IA | Prentice Municipal to Oskaloosa Municipal |
| Chicago O'hare International (ORD) | Chicago | IL | Prentice Municipal to Chicago O'hare International |
| Oscoda-Wurtsmith (OSC) | Oscoda | MI | Prentice Municipal to Oscoda-Wurtsmith |
| Wittman Regional (OSH) | Oshkosh | WI | Prentice Municipal to Wittman Regional |
| Worthington Municipal (OTG) | Worthington | MN | Prentice Municipal to Worthington Municipal |
| Ottumwa Regional (OTM) | Ottumwa | IA | Prentice Municipal to Ottumwa Regional |
| Owatonna Degner Regional (OWA) | Owatonna | MN | Prentice Municipal to Owatonna Degner Regional |
| Prairie Du Chien Municipal (PCD) | Prairie Duchien | WI | Prentice Municipal to Prairie Du Chien Municipal |
| Gen Wayne A Downing Peoria International (PIA) | Peoria | IL | Prentice Municipal to Gen Wayne A Downing Peoria International |
| Park Rapids Municipal-Konshok Field (PKD) | Park Rapids | MN | Prentice Municipal to Park Rapids Municipal-Konshok Field |
| Pellston Regional of Emmet County (PLN) | Pellston | MI | Prentice Municipal to Pellston Regional of Emmet County |
| Plymouth Municipal (PLY) | Plymouth | IN | Prentice Municipal to Plymouth Municipal |
| Pembina Municipal (PMB) | Pembina | ND | Prentice Municipal to Pembina Municipal |
| Pocahontas Municipal (POH) | Pocahontas | IA | Prentice Municipal to Pocahontas Municipal |
| Perry Municipal (PRO) | Perry | IA | Prentice Municipal to Perry Municipal |
| Oakland County International (PTK) | Pontiac | MI | Prentice Municipal to Oakland County International |
| Chicago Executive (PWK) | Chicago | IL | Prentice Municipal to Chicago Executive |
| Batten International (RAC) | Racine | WI | Prentice Municipal to Batten International |
| Fulton County (RCR) | Rochester | IN | Prentice Municipal to Fulton County |
| Nartron Field (RCT) | Reed City | MI | Prentice Municipal to Nartron Field |
| Chicago/Rockford International (RFD) | Rockford | IL | Prentice Municipal to Chicago/Rockford International |
| Rice Lake Regional - Carl's Field (RIE) | Rice Lake | WI | Prentice Municipal to Rice Lake Regional - Carl's Field |
| New Richmond Regional (RNH) | New Richmond | WI | Prentice Municipal to New Richmond Regional |
| Jasper County (RNZ) | Rensselaer | IN | Prentice Municipal to Jasper County |
| Roseau Municipal/Rudy Billberg Field (ROX) | Roseau | MN | Prentice Municipal to Roseau Municipal/Rudy Billberg Field |
| Warroad International Memorial (RRT) | Warroad | MN | Prentice Municipal to Warroad International Memorial |
| Rochester International (RST) | Rochester | MN | Prentice Municipal to Rochester International |
| Spirit Lake Municipal (RTL) | Spirit Lake | IA | Prentice Municipal to Spirit Lake Municipal |
| Redwood Falls Municipal (RWF) | Redwood Falls | MN | Prentice Municipal to Redwood Falls Municipal |
| Sheboygan County Memorial (SBM) | Sheboygan | WI | Prentice Municipal to Sheboygan County Memorial |
| South Bend International (SBN) | South Bend | IN | Prentice Municipal to South Bend International |
| Storm Lake Municipal (SLB) | Storm Lake | IA | Prentice Municipal to Storm Lake Municipal |
| Smith Field (SMD) | Fort Wayne | IN | Prentice Municipal to Smith Field |
| Abraham Lincoln Capital (SPI) | Springfield | IL | Prentice Municipal to Abraham Lincoln Capital |
| Spencer Municipal/Northwest Iowa Regional (SPW) | Spencer | IA | Prentice Municipal to Spencer Municipal/Northwest Iowa Regional |
| Whiteside Co-Jos H Bittorf Field (SQI) | Sterling/Rock Falls | IL | Prentice Municipal to Whiteside Co-Jos H Bittorf Field |
| St Cloud Regional (STC) | St Cloud | MN | Prentice Municipal to St Cloud Regional |
| Stevens Point Municipal (STE) | Stevens Point | WI | Prentice Municipal to Stevens Point Municipal |
| St Paul Downtown Holman Field (STP) | St Paul | MN | Prentice Municipal to St Paul Downtown Holman Field |
| Door County Cherryland (SUE) | Sturgeon Bay | WI | Prentice Municipal to Door County Cherryland |
| Richard I Bong Memorial (SUW) | Superior | WI | Prentice Municipal to Richard I Bong Memorial |
| Sioux Gateway/Col Bud Day Field (SUX) | Sioux City | IA | Prentice Municipal to Sioux Gateway/Col Bud Day Field |
| Newton Municipal (TNU) | Newton | IA | Prentice Municipal to Newton Municipal |
| Britton Municipal (TTO) | Britton | SD | Prentice Municipal to Britton Municipal |
| Cherry Capital (TVC) | Traverse City | MI | Prentice Municipal to Cherry Capital |
| Thief River Falls Regional (TVF) | Thief River Falls | MN | Prentice Municipal to Thief River Falls Regional |
| Tuscola Area (TZC) | Caro | MI | Prentice Municipal to Tuscola Area |
| Waukesha County (UES) | Waukesha | WI | Prentice Municipal to Waukesha County |
| Chicago/Waukegan Regional (UGN) | Chicago | IL | Prentice Municipal to Chicago/Waukegan Regional |
| Baldwin Field/Quincy Regional (UIN) | Quincy | IL | Prentice Municipal to Baldwin Field/Quincy Regional |
| Waukon Municipal Airport (UKN) | Waukon | IA | Prentice Municipal to Waukon Municipal Airport |
| New Ulm Municipal (ULM) | New Ulm | MN | Prentice Municipal to New Ulm Municipal |
| Dodge County (UNU) | Juneau | WI | Prentice Municipal to Dodge County |
| Porter County Regional (VPZ) | Valparaiso | IN | Prentice Municipal to Porter County Regional |
| Walter A Duncan Field/Illinois Valley Regional (VYS) | Peru | IL | Prentice Municipal to Walter A Duncan Field/Illinois Valley Regional |
| Harry Stern (WAH) | Wahpeton | ND | Prentice Municipal to Harry Stern |
| West Branch Community (WBK) | West Branch | MI | Prentice Municipal to West Branch Community |
| Roben-Hood (WBR) | Big Rapids | MI | Prentice Municipal to Roben-Hood |
| Grand Geneva Resort (XES) | Lake Geneva | WI | Prentice Municipal to Grand Geneva Resort |
| Madison Municipal (XMD) | Madison | SD | Prentice Municipal to Madison Municipal |
| Fort Frances Municipal (YAG) | Fort Frances | ON | Prentice Municipal to Fort Frances Municipal |
| Sault Ste Marie (YAM) | Sault Ste Marie | ON | Prentice Municipal to Sault Ste Marie |
| Bar River (YEB) | Bar River | ON | Prentice Municipal to Bar River |
| Elliot Lake Municipal (YEL) | Elliot Lake | ON | Prentice Municipal to Elliot Lake Municipal |
| Geraldton/Greenstone Regional (YGQ) | Geraldton | ON | Prentice Municipal to Geraldton/Greenstone Regional |
| Dryden Regional (YHD) | Dryden | ON | Prentice Municipal to Dryden Regional |
| Hornepayne Municipal (YHN) | Hornepayne | ON | Prentice Municipal to Hornepayne Municipal |
| Atikokan Municipal (YIB) | Atikokan | ON | Prentice Municipal to Atikokan Municipal |
| Willow Run (YIP) | Detroit | MI | Prentice Municipal to Willow Run |
| Chan Gurney Municipal (YKN) | Yankton | SD | Prentice Municipal to Chan Gurney Municipal |
| Chapleau (YLD) | Chapleau | ON | Prentice Municipal to Chapleau |
| Manitouwadge Municipal (YMG) | Manitouwadge | ON | Prentice Municipal to Manitouwadge Municipal |
| Kenora (YQK) | Kenora | ON | Prentice Municipal to Kenora |
| R Elmer Ruddick Nakina (YQN) | Nakina | ON | Prentice Municipal to R Elmer Ruddick Nakina |
| Thunder Bay (YQT) | Thunder Bay | ON | Prentice Municipal to Thunder Bay |
| Marathon (YSP) | Marathon | ON | Prentice Municipal to Marathon |
| Sioux Lookout (YXL) | Sioux Lookout | ON | Prentice Municipal to Sioux Lookout |
| Wawa (YXZ) | Wawa | ON | Prentice Municipal to Wawa |
| Armstrong (YYW) | Armstrong | ON | Prentice Municipal to Armstrong |
| Gore Bay Manitoulin (YZE) | Gore Bay | ON | Prentice Municipal to Gore Bay Manitoulin |
| Ignace Municipal (ZUC) | Ignace | ON | Prentice Municipal to Ignace Municipal |
