Amateur Radio Callsigns in ZIP Code: 46403
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| K9VDO | Bottando, James | Gary | IN | United States |
| KA9RBO | STERN, MARK J | GARY | IN | United States |
| N9YRU | WOODS, SAMUEL T | GARY | IN | United States |
| AA9XS | Chary, David C | Gary | IN | United States |
| KD9AZN | McDonald, Alma L | Gary | IN | United States |
| KD9SMN | Rooney, Thomas F | Gary | IN | United States |
| KD9ZZL | Boyle, Timothy J | Gary | IN | United States |