You can get 33 free channels in ZIP 21733 (Williamsport, MD)
Measured from the U.S. Census center of ZIP 21733 · 2 channels have a Strong indoor-ready signal.
Attic or High-Gain Window Antenna
You have 5 Strong/Moderate channels. An attic or 2nd-floor window antenna will lock in way more channels than a basic flat panel.
🧭 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: SW (221°)
Place your indoor antenna near a window or exterior wall facing SW (221°), 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 21733
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 |
|---|---|---|---|---|---|---|
| 31 | PBS | WWPB Hagerstown, MD · Full Power | 13.3 mi | WNW (302°) | UHF RF 29 | ● Strong — Indoor OK |
| 60 | ION | WWPX-TV Martinsburg, WV · Full Power | 21.5 mi | S (182°) | High VHF RF 13 | ● Strong — Indoor OK |
| 25 | NBC | WDVM-TV Hagerstown, MD · Full Power | 43.5 mi | SSW (199°) | UHF RF 23 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | W24FK-D Waynesboro, PA · Low Power | 17.2 mi | NNE (15°) | UHF RF 24 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | W27EE-D Martinsburg, WV · Low Power | 17.4 mi | WSW (249°) | UHF RF 27 | ● Moderate — Window / High Indoor |
| 7 | ABC | WJLA-TV Washington, DC · Full Power | 55.1 mi | SE (139°) | High VHF RF 7 | ▲ Weak — Outdoor / Attic |
| 9 | CBS | WUSA Washington, DC · Full Power | 55.1 mi | SE (139°) | High VHF RF 9 | ▲ Weak — Outdoor / Attic |
| 13 | CBS | WJZ-TV Baltimore, MD · Full Power | 61.0 mi | ESE (104°) | High VHF RF 11 | ▲ Weak — Outdoor / Attic |
| 11 | NBC | WBAL-TV Baltimore, MD · Full Power | 61.0 mi | ESE (104°) | High VHF RF 12 | ▲ Weak — Outdoor / Attic |
| 8 | NBC | WGAL Lancaster, PA · Full Power | 69.1 mi | ENE (61°) | High VHF RF 8 | ▲ Weak — Outdoor / Attic |
| 62 | PBS | WFPT Frederick, MD · Full Power | 31.1 mi | SE (130°) | UHF RF 28 | ▲ Weak — Outdoor / Attic |
| 42 | PBS | WVPY New Market, VA · Full Power | 51.0 mi | SW (217°) | UHF RF 21 | ▲ Weak — Outdoor / Attic |
| 68 | Univision | WJAL Silver Spring, MD · Full Power | 55.1 mi | SE (139°) | High VHF RF 9 | ▲ Weak — Outdoor / Attic |
| 2 | ABC | WMAR-TV Baltimore, MD · Full Power | 61.0 mi | ESE (104°) | UHF RF 27 | ○ Fringe — Deep Outdoor |
| 27 | ABC | WHTM-TV Harrisburg, PA · Full Power | 68.1 mi | NE (39°) | High VHF RF 10 | ○ Fringe — Deep Outdoor |
| 21 | CBS | WHP-TV Harrisburg, PA · Full Power | 72.4 mi | NE (40°) | UHF RF 32 | ○ Fringe — Deep Outdoor |
| 10 | CBS | WTAJ-TV Altoona, PA · Full Power | 79.0 mi | NNW (333°) | UHF RF 24 | ○ Fringe — Deep Outdoor |
| 4 | NBC | WRC-TV Washington, DC · Full Power | 55.6 mi | SE (139°) | UHF RF 34 | ○ Fringe — Deep Outdoor |
| 5 | FOX | WTTG Washington, DC · Full Power | 53.5 mi | SE (139°) | UHF RF 36 | ○ Fringe — Deep Outdoor |
| 45 | FOX | WBFF Baltimore, MD · Full Power | 61.0 mi | ESE (104°) | UHF RF 26 | ○ Fringe — Deep Outdoor |
| 67 | PBS | WMPB Baltimore, MD · Full Power | 52.7 mi | E (97°) | UHF RF 22 | ○ Fringe — Deep Outdoor |
| 26 | PBS | WETA-TV Washington, DC · Full Power | 55.1 mi | SE (139°) | UHF RF 31 | ○ Fringe — Deep Outdoor |
| 32 | PBS | WHUT-TV Washington, DC · Full Power | 55.1 mi | SE (139°) | UHF RF 33 | ○ Fringe — Deep Outdoor |
| 50 | CW | WDCW Washington, DC · Full Power | 55.6 mi | SE (139°) | UHF RF 15 | ○ Fringe — Deep Outdoor |
| 54 | CW | WNUV Baltimore, MD · Full Power | 61.0 mi | ESE (104°) | UHF RF 25 | ○ Fringe — Deep Outdoor |
| 15 | CW | WXBU Lancaster, PA · Full Power | 72.4 mi | NE (40°) | UHF RF 32 | ○ Fringe — Deep Outdoor |
| 20 | MyNetworkTV | WDCA Washington, DC · Full Power | 53.5 mi | SE (139°) | UHF RF 36 | ○ Fringe — Deep Outdoor |
| 24 | MyNetworkTV | WUTB Baltimore, MD · Full Power | 61.0 mi | ESE (104°) | UHF RF 26 | ○ Fringe — Deep Outdoor |
| 66 | ION | WPXW-TV Manassas, VA · Full Power | 53.5 mi | SE (139°) | UHF RF 35 | ○ Fringe — Deep Outdoor |
| 14 | Univision | WFDC-DT Arlington, VA · Full Power | 55.6 mi | SE (139°) | UHF RF 15 | ○ Fringe — Deep Outdoor |
| 49 | Independent | WLYH Red Lion, PA · Full Power | 68.1 mi | NE (39°) | High VHF RF 10 | ○ Fringe — Deep Outdoor |
| 47 | Independent | WKBS-TV Altoona, PA · Full Power | 79.0 mi | NNW (333°) | Low VHF RF 6 | ○ Fringe — Deep Outdoor |
| – | Local / LPTV | W30FH-D Chambersburg, PA · Translator | 34.2 mi | N (1°) | UHF RF 30 | ○ Fringe — Deep Outdoor |
Closest city guide: Williamsport, MD Free TV Channels (4.6 mi from ZIP 21733 center) · Browse all Maryland 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.