| Code | | Site | | Code | | Site | | Code | | Site |
| RUF | | ??? | |
RBJ | | Bidwell-Bridgejoy DBC | |
RBY | | Bonnyville DBC | |
| RBN | | Bridge Nutz | |
RJH | | Jackson Hole Duplicate Club | |
RPT | | Partners Duplicate Bridge Club | |
| RSK | | Saskatoon BC | |
RSV | | Sun Valley Bridge | |
RZ9 | | D18 STaC | |
| RB2 | | Billings Regional | |
RB1 | | Boise Regional | |
RO1 | | Bothell Regional | |
| RB3 | | Bozeman Regional | |
RU1 | | Butte Regional | |
RC1 | | Calgary Regional | |
| RC2 | | Casper Regional | |
RX2 | | D18 GNT | |
RX1 | | D18 NAP | |
| RE2 | | Edmonton Regional | |
RG1 | | Great Falls Regional | |
RH1 | | Helena Regional | |
| RI1 | | Idaho Falls Regional | |
RJ1 | | Jackpot Regional | |
RK1 | | Kalispell Regional | |
| RL1 | | Lethbridge Regional | |
RM2 | | Missoula Regional | |
RM1 | | Moose Jaw Regional | |
| RP1 | | Pocatello Regional | |
RR1 | | Red Deer Regional | |
RR2 | | Regina Regional | |
| RS3 | | Regional at Sea | |
RS1 | | Salt Lake City Regional | |
RS2 | | Saskatoon Regional | |