Amateur Radio Callsign Numerical Prefixes
|U.S.A. Callsign Geographical Regions|
|Callsign Numeral||Region|| ||Callsign Numeral||Region|
New Hampshire (NH)
Rhode Island (RI)
| ||6||California (CA)|
|2||New York (NY)|
New Jersey (NJ)
| ||7||Washington (WA)|
| ||8||Michigan (MI)|
West Virginia (WV)
North Carolina (NC)
South Carolina (SC)
| ||9||Wisconsin (WI)|
New Mexico (NM)
| ||0||North Dakota (ND)|
South Dakota (SD)
* Additional U.S. Prefixes: KL7 - Alaska (AK), KH6 - Hawaii (HI)
FCC Regional Callsign Groups
A unique call sign is assigned to each amateur station during the processing of its license application. The station is reassigned this same call sign upon renewal or modification unless application for a change is made.
Each call sign has a one letter prefix (K, N, W), or a two letter prefix (AA-AL, KA-KZ, NA-NZ, WA-WZ), and a one, two, or three letter suffix separated by a numeral (0-9) indicating the geographic region.
When the call signs in any regional-group list are exhausted, the selection is made from the next lower group. The groups are:
Group A: Primary stations licensed to Amateur Extra Class operators.
Regions 1 through 10 - prefix is the letter K, N, or W, and a two letter suffix; or a two letter prefix with first letter A, N, K, or W, and one letter suffix; or two letter prefix with first letter A, and two letter suffix.
Group B: Primary stations licensed to Advanced Class operators.
Regions 1 through 10 - prefix is two letters with the first letter K, N, or W, and a two letter suffix.
Group C: Primary stations licensed to General, Technician, and Technician Plus Class operators.
Regions 1 through 10 - prefix is the letter K, N, or W, and a three letter suffix.
Group D: Primary stations licensed to Novice Class operators, and for club and military recreation stations.
Regions 1 through 10 - prefix is two letters with first letter K or W, and three letter suffix.
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