Amateur Radio Callsigns in ZIP Code: 79721
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KB5HQJ | JOHNSON, KENNETH R | BIG SPRING | TX | United States |
| W5AW | BIG SPRING AMATEUR RADIO CLUB | Big Spring | TX | United States |
| W5KER | Grayson, Matthew B | Big Spring | TX | United States |
| KG5TWI | Tafuro, Thomas O | Big Spring | TX | United States |
| W5RBA | ALEXANDER, RAYMOND B | BIG SPRING | TX | United States |
| KJ5ABR | BOOTH, ALEXANDRIA | BIG SPRING | TX | United States |
| KJ5ABS | BOOTH, WALKER | BIG SPRING | TX | United States |