KZZ31: NOAA Weather Radio for Hardyston, New Jersey
KZZ31 is the NOAA Weather Radio transmitter at Hardyston (transmitter at Rudeville), broadcasting on 162.500 MHz at 1000 watts. It carries the National Weather Service Philadelphia/Mt Holly office's broadcast and covers 16 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.
| Callsign | KZZ31 |
|---|---|
| Frequency | 162.500 MHz |
| Transmitter | Hardyston (transmitter at Rudeville), New Jersey |
| Power | 1000 watts |
| Forecast office | NWS Philadelphia/Mt Holly |
| Status | Normal (NWS data, July 2026) |
Marine radios often label 162.500 MHz as WX6, but WX channel numbers vary by brand - go by the frequency.
Counties KZZ31 covers
| County | State | SAME code |
|---|---|---|
| Bergen | New Jersey | 034003 |
| Essex | New Jersey | 034013 |
| Hunterdon | New Jersey | 034019 |
| Morris | New Jersey | 034027 |
| Passaic | New Jersey | 034031 |
| Somerset | New Jersey | 034035 |
| Sussex | New Jersey | 034037 |
| Union | New Jersey | 034039 |
| Warren | New Jersey | 034041 |
| Orange | New York | 036071 |
| Rockland | New York | 036087 |
| Sullivan | New York | 036105 |
| Monroe | Pennsylvania | 042089 |
| Northampton | Pennsylvania | 042095 |
| Pike | Pennsylvania | 042103 |
| Wayne | Pennsylvania | 042127 |
Program the six-digit code into your radio's SAME location list - the SAME code guide walks through it, and how alert radios work explains what the radio does with it.
Hearing KZZ31
Any receiver that tunes 162.500 MHz FM can listen: scanners, VHF ham radios, marine sets, or a software-defined receiver. What those do not do is wake you at 3 a.m. - for that you want a dedicated radio with SAME alerting, covered in the buyer's guide.
Every New Jersey transmitter, county and SAME code: NOAA Weather Radio in New Jersey. Or look any county up with the finder.
Sources:
- “NWR County Coverage Listings”. weather.gov. Archived from the original on 2026-07-19. Retrieved 2026-07-16. Every figure on this page - frequency, transmitter site, power, operational status, and county SAME codes - is from this dataset. Transmitters move, change power, and go down for maintenance; verify locally before you rely on it.