| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| NGS | Grand Forks DBC | NPM | Plymouth Bridge Club | NCT | QC Slammers | ||||||
| NRC | Rochester DBC | NSF | Sioux Falls Bridge Club | NUV | University DBC | ||||||
| NWL | Waterloo Cedar Falls Masters | NZ9 | D14 STaC | NR6 | Rochester Regional | ||||||
| NB2 | Betterdorf Regional | NB1 | Bloomington Regional | NC3 | Cedar Rapids Regional | ||||||
| NC2 | Coralville Regional | NC1 | Council Bluffs Regional | NX1 | D14 NAP | ||||||
| ND2 | Davenport Regional | ND1 | Des Moines Regional | NF1 | Fargo Regional | ||||||
| NM3 | Maplewood Regional | NM2 | Mason City Regional | NM1 | Minneapolis Regional | ||||||
| NT1 | Minnetonka Regional | NX2 | N14 GNT | NN1 | New Brighton Regional | ||||||
| NO3 | Omaha Regional | NS2 | Sioux City Regional | NS3 | Sioux Falls Regional | ||||||
| NS1 | Spirit Lake Regional | NU1 | Urbandale Regional |