These tables lists the 3-digit ZIP code prefixes, a set of numbers which represents a( ) ( ). Each SCF serves local addresses whose 5-digit ZIP Codes start with the same 1st 3 digit prefix.
- * - The city name listed is the "default" city name for all postal codes in this prefix.
- † - The SCF serving this prefix/postal code is in a different State or Territory.
- ‡ - This prefix/postal code is in a different State/Territory, but is still handled by this SCF.
- § - This prefix/postal code was reserved for States/Territories that needed additional codes outside of the normal range that was assigned to that State/Territory.
- ~ - This prefix/postal code is not assigned to a State/Territory at the moment, but is reserved for the States/Territories, that may need them, listed in between the parentheses.