US and International Frequency Allocations

9 to 1800 KHz

International
Band (KHz) United States Region 1 Region 2 Region 3
Below 9 - Not Allocated -
9-14 Navigation (formerly Omega Nav)
14-19.95 Fixed, Maritime-Mobile
19.95-20.05 20 KHz Std Freq + Time
20.05-59 Fixed, Maritime-Mobile Fixed, Maritime-Mobile
59-61 60 KHz Std Freq + Time
61-70 Fixed, Maritime-Mobile
70-72 Fixed, Maritime-Mobile, Radiolocation Navigation Fixed, Maritime-Mobile, Maritime-Nav, Radiolocation Fixed, Maritime-Mobile, Navigation
72-84 Fixed, Maritime-Mobile, Navigation
84-86 Navigation
86-90 Fixed, Maritime-Mobile, Navigation
90-110 Loran-Nav Navigation, Fixed
110-112 Fixed, Maritime-Mobile, Navigation Fixed, Maritime-Mobile, Navigation Fixed, Maritime-Mobile, Maritime-Nav, Radiolocation Fixed, Maritime-Mobile, Navigation
112-115 Navigation
115-126 Fixed, Maritime-Mobile, Navigation
126-129 Navigation
129-130 Fixed, Maritime-Mobile, Navigation
130-148.5 Fixed, Maritime-Mobile Fixed, Maritime-Mobile Fixed, Maritime-Mobile
148.5-160 Broadcast
160-190 Fixed, Maritime-Mobile, Experimental Fixed Fixed, Air-Nav
190-200 Air-Nav Air-Nav
200-255 Air-Nav, Air-Mobile Air-Nav, Air-Mobile Air-Nav, Air-Mobile
255-275 Broadcast, Air-Nav Air-Nav, Air-Mobile, Maritime-Nav
275-283.5 Air-Nav, Air-Mobile, Maritime-Nav
283.5-285 Air-Nav, Maritime-Nav
285-315 Air-Nav, Maritime-Nav Air-Nav, Maritime-Nav
315-325
325-335 Air-Nav, Air-Mobile, Maritime-Nav Air-Nav Air-Mobile, Maritime-Nav Air-Nav, Air-Mobile
335-405 Air-Nav, Air-Mobile Air-Nav, Air-Mobile
405-415 Air-Mobile, Navigation Navigation Air-Mobile, Navigation
415-495 Air-Nav, Maritime-Mobile
495-505 500 KHz Mobile (Distress and calling)
505-510 Maritime-Mobile Air-Nav, Maritime-Mobile Maritime-Mobile Maritime-Mobile, Air-Nav, Air-Mobile, Land-Mobile
510-525 Air-Nav, Maritime-Mobile Air-Nav, Mobile
525-526.5 Air-Nav, Mobile Broadcast, Air-Nav
526.5-535 Broadcast Broadcast, Mobile
535-1605 Broadcast Broadcast Broadcast
1605-1606.5 1610 KHz Travel Info
1606.5-1615 Maritime-Moble, Fixed, Land-Mobile Fixed, Mobile, Radiolocation, Navigation
1615-1625 Broadcast
1625-1635 Broadcast, Radiolocation Radiolocation Broadcast, Fixed, Mobile, Radiolocation
1635-1705 Maritime-Mobile, Fixed, Mobile
1705-1800 Fixed, Mobile, Radiolocation Fixed, Mobile, Radiolocation, Air-Nav

1.8 to 5 MHz

International
Band (KHz) United States Region 1 Region 2 Region 3
1800-1810 Amateur Radiolocation Amateur Amateur, Fixed, Mobile(not-aero), Navigation, Radiolocation
1810-1850 Amateur
1850-1900 Fixed, Mobile(not-aero) Amateur, Fixed, Mobile(not-aero), Navigation, Radiolocation
1900-2000 Amateur, Radiolocation
2000-2025 Fixed, Mobile, Maritime-Mobile Fixed, Mobile
2025-2045 Fixed, Mobile(not-aero), Meteorology
2045-2065 Maritime-Mobile, Fixed, Land-Mobile
2065-2107 Maritime-Mobile Maritime-Mobile
2107-2160 Fixed, Land-Mobile, Maritime-Mobile Fixed, Mobile
2160-2170 Radiolocation
2170-2173.5 Maritime-Mobile
2173.5-2190.5 2182 KHz Distress + Calling
2190.5-2194 Maritime-Mobile
2194-2300 Fixed, Land-Mobile, Maritime-Mobile Fixed, Mobile(not-aero) Fixed, Mobile
2300-2495 Fixed, Mobile(not-aero), Broadcast Fixed, Mobile, Broadcast-120m
2495-2498 2500 KHz Std Freq + Time 2500 KHz Std Freq + Time
2498-2502 2500 KHz Std Freq + Time
2502-2505 Fixed, Mobile(not-aero)
2505-2625 Fixed, Land-Mobile, Maritime-Mobile Fixed, Mobile
2625-2650 Maritime-Mobile, Maritime-Nav
2650-2850 Fixed, Mobile(not-aero)
2850-3025 Air-Mobile(R)
3025-3155 Air-Mobile(OR)
3155-3200 Fixed, Mobile(not-aero), [Broadcast] Fixed, Mobile(not-aero)
3200-3230 Fixed, Mobile(not-aero), Broadcast
3230-3400 Fixed, Mobile (not aero), Radiolocation, [Broadcast]
3400-3500 Air-Mobile(R)
3500-3750 Amateur Amateur, Fixed, Mobile(not-aero) Amateur Amateur, Fixed, Mobile
3750-3800 Amateur, Fixed, Mobile(not-aero)
3800-3900 Fixed, Air-Mobile(OR), Land-Mobile
3900-3950 Air-Mobile(OR) Air-Mobile, Broadcast-75m
3950-4000 Fixed, Broadcast Fixed, Broadcast
4000-4063 Maritime-Mobile Fixed, Maritime-Mobile
4063-4438 Maritime-Mobile
4438-4650 Fixed, Mobile(not-aero)
4650-4700 Air-Mobile(R)
4700-4750 Air-Mobile(OR)
4750-4850 Fixed, Mobile(not-aero) Fixed, Air-Mobile(OR), Land-Mobile, Broadcast Fixed, Mobile(not-aero), Broadcast Fixed, Broadcast-60m, Land-Mobile
4850-4995 Fixed, Mobile Fixed, Broadcast, Land-Mobile

5 to 10 MHz

International
Band (KHz) United States Region 1 Region 2 Region 3
4995-5005 5 MHz Std Freq + Time
5005-5060 Fixed Fixed, Broadcast-60m
5060-5450 Fixed, Mobile(not-aero), Amateur(5330.5, 5346.5, 5366.5, 5371.5, 5403.5 KHz USB only)
5450-5480 Air-Mobile(R) Fixed, Air-Mobile(OR), Land-Mobile Air-Mobile(R) Fixed, Air-Mobile(OR), Land-Mobile
5480-5680 Air-Mobile(R)
5680-5730 Air-Mobile(OR)
5730-5900 Fixed, Mobile(not-aero), [Broadcast] Fixed, Land-Mobile Fixed, Mobile(not-aero)
5900-5950 Broadcast-49m
5950-6200 Broadcast
6200-6525 Maritime mobile
6525-6685 Air-Mobile(R)
6685-6765 Air-Mobile(OR)
6765-7000 Fixed, Mobile Fixed, Land-Mobile
7000-7100 Amateur
7100-7300 Amateur Broadcast Amateur Broadcast-41m
7300-7350 Fixed, Mobile Broadcast-41m
7350-8100 Fixed, Land-Mobile
8100-8195 Maritime-Mobile Fixed, Maritime-Mobile
8195-8815 Maritime-Mobile
8815-8965 Air-Mobile(R)
8965-9040 Air-Mobile(OR)
9040-9400 Fixed Fixed
9400-9500 Broadcast-31m
9500-9900 Broadcast
9900-9995 Fixed

10 to 20 MHz

International
Band (KHz) United States Region 1 Region 2 Region 3
9995-10005 10 MHz Std Freq + Time
10005-10100 Air-Mobile(R)
10100-10150 Amateur Fixed, Amateur
10150-11175 Fixed, Mobile(not-aero)
11175-11275 Air-Mobile(OR)
11275-11400 Air-Mobile(R)
11400-11600 Fixed Fixed
11600-11650 Broadcast-25m
11650-12050 Broadcast
12050-12100 Fixed
12100-12230 Fixed
12230-13200 Maritime-Mobile
13200-13260 Air-Mobile(OR)
13260-13360 Air-Mobile(R)
13360-13410 Radio Astronomy Fixed, Radio astronomy
13410-13570 Fixed, Mobile(not-aero) Fixed, Mobile(not-aero)
13570-13600 Broadcast-22m
13600-13800 Broadcast
13800-13870 Fixed, Mobile(not-aero)
13870-14000 Fixed, Mobile(not-aero)
14000-14350 Amateur
14350-14990 Fixed, Mobile(not-aero)
14990-15010 15 MHz Std Freq + Time
15010-15100 Air-Mobile(OR)
15100-15600 Broadcast Broadcast-19m
15600-15800 Fixed
15800-16360 Fixed
16360-17410 Maritime-Mobile
17410-17480 Fixed Fixed
17480-17550 Broadcast-16m
17550-17900 Broadcast
17900-17970 Air-Mobile(R)
17970-18030 Air-Mobile(OR)
18030-18068 Fixed
18068-18168 Amateur
18168-18780 Fixed, Mobile Fixed, Mobile(not-aero)
18780-18900 Maritime-Mobile
18900-19020 Fixed Broadcast
19020-19680 Fixed
19680-19800 Maritime-Mobile
19800-19990 Fixed

20 to 27 MHz

International
Band (KHz) United States Region 1 Region 2 Region 3
19990-20010 20 MHz Std Freq + Time
20010-21000 Fixed, Mobile
21000-21450 Amateur
21450-21850 Broadcast-13m
21850-21870 Fixed Fixed
21870-21924 Aero-Fixed
21924-22000 Air-Mobile(R)
22000-22855 Maritime-Mobile
22855-23000 Fixed
23000-23200 Fixed, Mobile(not-aero)
23200-23350 Aero-Mobile(OR) Aero-Fixed, Air-Mobile(OR)
23350-24000 Fixed, Mobile(not-aero) Fixed, Mobile(not-aero)
24000-24890 Fixed, Land-Mobile
24890-24990 Amateur
24990-25010 25 MHz Std Freq + Time
25010-25070 Land-Mobile Fixed, Mobile(not-aero)
25070-25210 Maritime-Mobile
25210-25330 Land-Mobile Fixed, Mobile(not-aero)
25330-25550 Fixed, Mobile(not-aero)
25550-25670 Radio-Astronomy
25670-26100 Broadcast-11m
26100-26175 Maritime-Mobile
26175-26480 Land-Mobile Fixed, Mobile(not-aero), thru 27500
26480-26950 Fixed, Mobile(not-aero)
26950-26960 Fixed
26960-27410 Citizens Band

Color Key
US + local region Other int'l regions
Airborne: R=Route, OR=OffRoute
Broadcast
[Broadcast]
Channels on loan from the primary service
Freq Standards
Amateur + Experimental
Distress
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