Amateur Radio Callsigns in ZIP Code: 01604
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KC1NIX | Ambady, Shridhar | Worcester | MA | United States |
| KA1ZI | BABIN, PAUL T | WORCESTER | MA | United States |
| N1SZP | CLAROS, EDITH | WORCESTER | MA | United States |
| W1FED | Clay, Andrew | Worcester | MA | United States |
| KC2LRA | COLLACCHI, CELESTA F | WORCESTER | MA | United States |
| KC1RED | Eilert, Zachary | WORCESTER | MA | United States |
| KC1SMR | Fuller, Mark L | Worcester | MA | United States |
| N1TQL | GLODAS, CHARLES T | Worcester | MA | United States |
| W1JAT | Gonyea, John E | WORCESTER | MA | United States |
| KC1THD | GONZALEZ, JACOB Z | WORCESTER | MA | United States |
| KC1ACX | Grady, Vernie C | Worcester | MA | United States |
| N1EFR | Hayeck, Albert G | Worcester | MA | United States |
| KF4YEZ | HAYS, NICHOLAS A | Worcester | MA | United States |
| KC1VBL | Hickey, John F | Worcester | MA | United States |
| KC1DTU | Ho, Mathew G | Worcester | MA | United States |
| W1AAP | KHALAF, ALI K | WORCESTER | MA | United States |
| N1LUE | LA BRANCHE, AARON M | WORCESTER | MA | United States |
| KP4ZEM | MARTINEZ, ZABDIEL E | WORCESTER | MA | United States |
| K1ARM | Messer, Angela | Worcester | MA | United States |
| W1AAM | MONGEAU, TIMOTHY J | WORCESTER | MA | United States |
| KC1HNQ | Morello, Louis J | Worcester | MA | United States |
| WA1VVT | Nichols, Robert F | Worcester | MA | United States |
| N1PCG | PILTZECKER, ROBERT W | WORCESTER | MA | United States |
| KC1ODA | PRICE JR, STEVEN C | WORCESTER | MA | United States |
| KC1ODB | PRICE JR, STEVEN C | WORCESTER | MA | United States |
| KP4WPD | RODRIGUEZ, CARLOS | WORCESTER | MA | United States |
| N1TYS | ST DENIS, LEO R | worcester | MA | United States |
| KC1FQN | St Germain, Nicholas | Worcester | MA | United States |
| W1DSE | STEBBINS, LEO T | WORCESTER | MA | United States |
| WA1HZN | Steinmetz, Jeffrey S | Worcester | MA | United States |