The Federal Communications Commission (FCC) has granted 40 radio service licenses and call signs in Columbia, California. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Name | Address, Zip |
|---|---|
| 669J | 24090 Experimental Mine Rd., PO Box 1072, 95310 |
| AA6LR | PO Box 1724, 95310 |
| KB6KFI | PO Box 1724, 95310 |
| KB6RBQ | PO Box 512, 95310 |
| KD6RCS | 22817 COLUMBIA STREET, 95310 |
| KE6EPH | 23223 Italian Bar Rd space 6, 95310 |
| KE6FNT | PO Box 593, 95310 |
| KE6RGP | PO Box 1826, 95310 |
| KE6UOP | 23081 Gold Springs Dr, 95310 |
| KF6LUB | PO Box 96, 95310 |
| KF6OUS | 27000 italian bar rd, PO Box 1272, 95310 |
| KF6OUT | 27000 ITALIAN BAR RD, PO Box 1272, 95310 |
| KF6OUU | 27000 ITALIAN BAR RD, PO Box 1272, 95310 |
| KG6HJO | 23210 GOLD SPRINGS DRIVE, 95310 |
| KI6AA | 22400 Kennebec Lane, PO Box 529, 95310 |
| KI6TKM | 23732 Parrotts Ferry Rd. space 58, 95310 |
| KI6TKN | 10956 GREEN ST LOT194, 95310 |
| KI6YXN | PO Box 878, 95310 |
| KJ6LJL | PO Box 96, 95310 |
| KK6KNW | 22950 PARROTTS FERRY RD, 95310 |
| KK6NZO | PO Box 1492, 95310 |
| KK6NZP | PO Box 1492, 95310 |
| KK6OHR | PO Box 1180, 95310 |
| KK6PGK | 23685 Marble Quarry Rd 3, 95310 |
| KK6UHC | PO Box 1664, 95310 |
| KM6UXJ | 22950 Parrotts Ferry Road, 95310 |
| KM6WWT | 23100 KNICKERBOCKER FLAT RD, 95310 |
| KN6DTI | 11788 Yankee Hill Rd, PO Box 1352, 95310 |
| KN6PIZ | 10626 N Airport Rd, 95310 |
| KN6PJA | 10626 N Airport Rd, 95310 |
| N6JWT | PO Box 1492, 95310 |
| N6PFJ | 10956 Green Street #167, 95310 |
| N6UE | 10956 Green Street #126, 95310 |
| RR00093687 | 10996 Green Street, 95310 |
| RR00180791 | PO Box 223, 95310 |
| W6PHO | PO Box 366, 95310 |
| WA6AVR | 23210 GOLD SPRINGS DR, 95310 |
| WRDP326 | PO Box 1492, 95310 |
| WRQL502 | PO Box 593, 95310 |
| WRWP745 | 22811 Piper Ct, PO Box 659, 95310 |
