You can get 20 free channels in ZIP 51240 (Rock Valley, IA)
Measured from the U.S. Census center of ZIP 51240 · 8 channels have a Strong indoor-ready signal.
Indoor Window or Tabletop Antenna
8 stations arrive with a Strong signal here. Place a quality indoor antenna near a window or wall facing the towers.
🧭 Broadcast Tower Compass — Which Way to Point Your Antenna
Each dot is a local TV tower relative to your center point (● Green = Strong, ● Blue = Moderate, ● Amber = Weak).
Primary Aim Direction: WNW (298°)
Place your indoor antenna near a window or exterior wall facing WNW (298°), or aim your attic/rooftop antenna toward that compass bearing for the strongest signal lock.
After placing or moving your antenna, always run a fresh TV channel rescan.
Channel Lineup & Tower Directions for ZIP 51240
Sorted with Strong signals and major broadcast networks first. Channel is the virtual channel number your TV displays; Band / RF Ch. is the actual radio frequency that determines whether you need a VHF-capable antenna. How we calculate signals.
| Channel | Network | Station | Distance | Point Antenna | Band / RF Ch. | Estimated Signal |
|---|---|---|---|---|---|---|
| 13 | ABC | KSFY-TV Sioux Falls, SD · Full Power | 15.0 mi | NNW (345°) | High VHF RF 13 | ● Strong — Indoor OK |
| 11 | CBS | KELO-TV Sioux Falls, SD · Full Power | 15.0 mi | NNW (345°) | High VHF RF 11 | ● Strong — Indoor OK |
| 46 | NBC | KDLT-TV Sioux Falls, SD · Full Power | 14.4 mi | NNW (340°) | UHF RF 21 | ● Strong — Indoor OK |
| 17 | FOX | KTTW Sioux Falls, SD · Full Power | 14.6 mi | NNW (337°) | High VHF RF 7 | ● Strong — Indoor OK |
| 36 | CW | KSFL-TV Sioux Falls, SD · Full Power | 14.6 mi | NNW (337°) | UHF RF 36 | ● Strong — Indoor OK |
| – | Local / LPTV | K06QJ-D Sioux Falls, SD · Low Power | 14.4 mi | NNW (340°) | Low VHF RF 6 | ● Strong — Indoor OK |
| – | Local / LPTV | K17PP-D Sioux Falls, SD · Low Power | 14.7 mi | NNW (336°) | UHF RF 17 | ● Strong — Indoor OK |
| – | Local / LPTV | K20PH-D Sioux Falls, SD · Translator | 15.0 mi | NNW (345°) | UHF RF 20 | ● Strong — Indoor OK |
| 9 | ABC | KCAU-TV Sioux City, IA · Full Power | 51.2 mi | SSE (167°) | High VHF RF 9 | ● Moderate — Window / High Indoor |
| 14 | CBS | KMEG Sioux City, IA · Full Power | 51.3 mi | SSE (166°) | UHF RF 32 | ● Moderate — Window / High Indoor |
| 4 | NBC | KTIV Sioux City, IA · Full Power | 51.3 mi | SSE (166°) | UHF RF 14 | ● Moderate — Window / High Indoor |
| 44 | FOX | KPTH Sioux City, IA · Full Power | 51.3 mi | SSE (166°) | UHF RF 30 | ● Moderate — Window / High Indoor |
| 23 | PBS | KCSD-TV Sioux Falls, SD · Full Power | 20.8 mi | NNW (332°) | UHF RF 24 | ● Moderate — Window / High Indoor |
| 2 | PBS | KUSD-TV Vermillion, SD · Full Power | 24.3 mi | SW (223°) | UHF RF 34 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | K33PV-D Rock Rapids, IA · Translator | 13.9 mi | ENE (71°) | UHF RF 33 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | K18OK-D Sioux Falls, SD · Low Power | 20.6 mi | NNW (332°) | UHF RF 18 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | K19NR-D Sioux Falls, SD · Low Power | 20.6 mi | NNW (332°) | UHF RF 19 | ● Moderate — Window / High Indoor |
| 20 | PBS | KSMN Worthington, MN · Full Power | 48.0 mi | NNE (32°) | UHF RF 15 | ▲ Weak — Outdoor / Attic |
| 27 | PBS | KSIN-TV Sioux City, IA · Full Power | 55.5 mi | S (172°) | UHF RF 28 | ▲ Weak — Outdoor / Attic |
| – | Local / LPTV | KCPO-LD Sioux Falls, SD · Low Power | 20.4 mi | NW (326°) | UHF RF 26 | ○ Fringe — Deep Outdoor |
Closest city guide: Rock Valley, IA Free TV Channels (11.3 mi from ZIP 51240 center) · Browse all Iowa cities & ZIPs.
📬 Get an email alert if local TV channels change in your area
When a local station changes frequencies or a new free channel signs on, we'll let you know it's time to rescan your TV.
100% free. Unsubscribe anytime in one click.