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US Call Areas & Zones by State

Serge Stroobandt, ON4AA

Copyright 2014–2017, licensed under Creative Commons BY-NC-SA

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Interactive map

Prefix numerals

US prefixes by state
numeral state abbreviation ITU zone CQ zone
1 Connecticut CT 8 5
1 Maine ME 8 5
1 Massachusetts MA 8 5
1 New Hampshire NH 8 5
1 Rhode Island RI 8 5
1 Vermont VT 8 5
2 New Jersey NJ 8 5
2 New York NY 8 5
3 Delaware DE 8 5
3 Maryland MD 8 5
3 Pennsylvania PA 8 5
4 Alabama AL 8 4
4 Florida FL 8 5
4 Georgia GA 8 5
4 Kentucky KY 8 4
4 North Carolina NC 8 5
4 South Carolina SC 8 5
4 Tennessee TN 8 4
4 Virginia VA 8 5
5 Arkansas AR 7 4
5 Louisiana LA 7 4
5 Mississippi MS 8 4
5 New Mexico NM 7 4
5 Oklahoma OK 7 4
5 Texas TX 7 4
6 California CA 6 3
_H6 Hawaii HI 61 31
_L7 Alaska AK 1 or 2 1
7 Arizona AZ 6 3
7 Idaho ID 6 3
7 Montana MT 6; 7 if east of 110°W 4
7 Nevada NV 6 3
7 Oregon OR 6 3
7 Utah UT 6 3
7 Washington WA 6 3
7 Wyoming WY 6; 7 if east of 110°W 4
8 Michigan MI 8 4
8 Ohio OH 8 4
8 West Virginia WV 8 5
9 Illinois IL 8 4
9 Indiana IN 8 4
9 Wisconsin WI 8 4
0 Colorado CO 7 4
0 Iowa IA 7 4
0 Kansas KS 7 4
0 Minnesota MN 7 4
0 Missouri MO 7 4
0 Nebraska NE 7 4
0 North Dakota ND 7 4
0 South Dakota SD 7 4
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Last update: Sunday, August 13, 2017.