| Don't Contact | OLI_PREFCOMM_NONE | 5 |
| Electronic Portal | OLI_PREFCOMM_PORTAL | 10 |
| E-Mail | OLI_PREFCOMM_EMAIL | 3 |
| Fax | OLI_PREFCOMM_FAX | 2 |
| In-person | OLI_PREFCOMM_INPERSON | 8 |
| No preference specified | OLI_PREFCOMM_NOPREF | 7 |
| Other | OLI_OTHER | 2147483647 |
| Phone | OLI_PREFCOMM_PHONE | 1 |
| Regular Mail | OLI_PREFCOMM_MAIL | 4 |
| Text Message | OLI_PREFCOMM_TEXTMESSAGE | 6 |
| Unknown | OLI_UNKNOWN | 0 |
| Video Conference | OLI_PREFCOMM_VIDEO | 9 |
|