Amateur Radio Callsigns in ZIP Code: 80544
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| K0KR | NEECE, ROBERT B | NIWOT | CO | United States |
| K7KU | SPLIT ROCK RADIO CLUB | Niwot | CO | United States |
| N0DGX | HAASE JR, MARTIN O | NIWOT | CO | United States |
| N0NLR | BECKER, GEORG H | NIWOT | CO | United States |
| KC0PYE | Nelson, Bill H | Niwot | CO | United States |
| KC0ZNW | Roark, R Chris | Niwot | CO | United States |
| KE0AIO | Kilberg, Melissa | Niwot | CO | United States |
| KE0AIT | HIGH ALTITUDE RANCHERS | NIWOT | CO | United States |