Amateur radio call signs are in the following forms:

  • 2 by 3 - two letters, a number and three letters
  • 1 by 3 - one letter, a number and three letters
  • 2 by 2 - two letters, a number and two letters
  • 1 by 2 - one letter, a number and two letters
  • 2 by 1 - two letters, a number and one letter
  • 1 by 1 - one letter, a number, one letter

All call signs issued in the us start with A, K, N or W,  The number represents one of twn call sign districts.  For Nebraska the district number is 0.

A map of all the different districts can be found at :

https://www.arrl.org/files/file/Awards%20Application%20Forms/WASmap_Color.pdf

If you are currently unlicensed and have just passed the test for the Technician or General class license, you'll be assigned a 2 by 3 callsign.  If you are currently unlicensed and  and have just passed the test for the Extra class license you will be assigned a 2 by 2 call sign.  

Call signs are assigned sequentially within each call district.  Your call sign district is  based on the mailing addres syou put on the NC605 Form.  For example if you gave a mailing address in California you would have a 6 assigned, if you used a Florida mailing addres you would have a 4 assigned.