Amateur Radio Callsigns in ZIP Code: 91933
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KB6CRM | SATO, SANDRA A | IMPERIAL BEACH | CA | United States |
| KF6ZBF | WILLIAMS, MARK R | IMPERIAL BEACH | CA | United States |
| KK6DKN | Czoberek, Michael P | Imperial Beach | CA | United States |
| KN6JOX | Block, Larry D | Imperial Beach | CA | United States |
| AJ6ZS | Helmlinger, Kurt C | Imperial Beach | CA | United States |