These tables lists the 3-digit ZIP code prefixes, a set of numbers which represents a
United States Postal Service wp (USPS wp), Sectional center facility wp (SCF). 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/Territory.
- ‡ - This prefix/postal code is in a different State/Territory, but is still handled by this SCF.
- æ - This prefix/postal code should be assigned to a different area of the State/Territory, but is assigned to an area handled by this SCF.
- § - This prefix/postal code should be assigned to a different State/Territory, but is assigned to an area handled by this SCF.