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State-county coding:
The 3 digits on the far right refer to the state county
coding. Each county within a state will have an independent
3-digit code.
NOTE To receive all of the alerts for a given state, insert
000 into the county section.
State codes:
Moving towards the left, the next 2 digits are for state
coding. Each of the 50 U.S. states has their own 2-digit
code.
County sub-section code:
The last digit on the extreme left is the county sub-
section. A county may be subdivided into nine sub-
sections; each number between (1-9) represents a specific
county sub-section.
NOTE If the county sub-section code is stated as 0,
then that county is not sub-divided and all alerts for that
county will be received. To receive all of the alerts for a
given county, insert 0 into the county sub-section.
A county can be subdivided as follows:
1 Northwest
2 North Central
3 Northeast
4West Central
5 Central
6 East Central
7Southwest
8 South Central
9 Southeast