| Code | | Site | | Code | | Site | | Code | | Site |
| NAN | | Afternoon DBC | |
NB6 | | New Brighton Sectional | |
NC7 | | Chatfield Sectional | |
| NC8 | | Carlton Sectional | |
NCC | | Carleton College Bridge Club | |
ND5 | | Duluth Sectional | |
| ND8 | | Detroit Lakes Sectional | |
NDL | | Duluth Duplicate Bridge | |
NE4 | | Lake Elmo Sectional | |
| NFH | | Detroit Lakes Bridge Club | |
NGC | | Granite City Bridge Club | |
NM4 | | Maplewood Sectional | |
| NME | | ??? | |
NNF | | Northfield Duplicate BC | |
NO5 | | Oakdale Sectional | |
| NR5 | | Rochester Sectional | |
NRC | | Rochester DBC | |
NS4 | | North St Paul Sectional | |
| NS7 | | St Cloud Sectional | |
NS9 | | Shakopee Sectional | |
NSC | | St Cloud Bridge Club | |
| NSP | | Bridge Center of St Paul | |
NTP | | Thompson Park Activity Center | |
NW4 | | Whitney Sr Center Sectional | |
| NWB | | ??? | |
NWE | | Mankato DBC | |
NWY | | Whitney Bridge Club | |