You can specify which postal codes (zip codes) are linked to which cities. You can also assign residency status to certain postal codes so that customers with addresses in those postal codes will be eligible for resident rates.
Go to Administration > Locations > Postal Codes.
Choose one of the following:
To create a new postal code, click Add New.
To modify an existing postal code, click the Postal Code that you want to modify.
Enter the Postal Code.
Select the City for this postal code.
To specify that customers with addresses in this postal code are eligible for resident rates, select Resident, if applicable.
Click Save.
Note: For complete descriptions of the options on this page, click here.
Adding or modifying a geographic area