Select Carrier Route to identify the delivery route that an address belongs to. You can also use Carrier Route to identify the carrier route type, such as city, rural route, or general delivery.

The following table provides the location and default precision of the Carrier Route port:

Port Type	Port Group	Template Model	Precision
Output	US Specific	Basic	4

A complete postal carrier route has nine characters. The first five characters are the five-digit ZIP Code. The last four characters specify the carrier route within the ZIP Code. The Carrier Route port returns the last four characters.

The following table shows the structure of a carrier route:

Positions 1-5	Position 6	Positions 7-9
Five-digit ZIP Code	Letter	Route

The letter in position 6 identifies the route type. The following table lists the types of route that position 6 identifies:

Letter	Carrier Route Type
B	Post Office Box
C	City delivery
G	General delivery
H	Highway contract
R	Rural route