| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| NB7 | Bettendorf Sectional | NBB | Build Better Bridge Club | NBG | Bridge For You | ||||||
| NC4 | Cedar Falls Sectional | NC6 | Cedar Rapids Sectional | ND4 | Davenport Sectional | ||||||
| ND6 | Dubuque Sectional | NDB | Dubuque Duplicate Bridge Club | NDD | Duplicate For Duffers | ||||||
| NH4 | Hills Sectional | NIC | Iowa City Bridge Club | NJ4 | Johnston Sectional | ||||||
| NM7 | Mt Pleasant Sectional | NM8 | Mason City Sectional | NMP | Mt Pleasant DBC | ||||||
| NMR | Build Better Bridge 2 | NQC | Wild Card Wednesday | NQO | QC Bridgers | ||||||
| NUW | IC Hawkeye DBC | NW5 | Waterloo Sectional | NWA | Wednesday Afternoon | ||||||