| West | Midwest | South | Northeast |
| AK—Alaska | IL—Illinois | AL—Alabama | CT—Connecticut |
| AZ—Arizona | IN—Indiana | AR—Arkansas | DE—Delaware |
| CA—California | IA—Iowa | FL—Florida | ME—Maine |
| CO—Colorado | KS—Kansas | GA—Georgia | MD—Maryland |
| HA—Hawaii | MI—Michigan | KY—Kentucky | MA—Massachusetts |
| ID—Idaho | MN—Minnesota | LA—Louisiana | NH—New Hampshire |
| MT—Montana | MO—Missouri | MS—Mississippi | NJ—New Jersey |
| NV—Nevada | NE—Nebraska | NC—North Carolina | NY—New York |
| NM—New Mexico | ND—North Dakota | OK—Oklahoma | PA—Pennsylvania |
| OR—Oregon | OH—Ohio | SC—South Carolina | RI—Rhode Island |
| UT—Utah | SD—South Dakota | TN—Tennessee | VT—Vermont |
| WA—Washington | WI—Wisconsin | TX—Texas |
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| WY—Wyoming |
| VA—Virginia |
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| WV—West Virginia |
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