Definitions for 1st-3rd hex digit match code values

The table below contains the description of the hex digits for the match code values.
Note: A typical match code contains up to 4 characters: a beginning alpha character followed by 2 or 3 hex digits. The third hex digit is only populated for intersection matches or as part of the Extended Match Code.

Code

In first hex position means:

In second and third hex position means:
0

No change in last line.

No change in address line.
1

ZIP Code changed.

Street type changed.
2

City changed.

Predirectional changed.
3

City and ZIP Code changed.

Street type and predirectional changed.
4

State changed.

Postdirectional changed.
5

State and ZIP Code changed.

Street type and postdirectional changed.
6

State and City changed.

Predirectional and postdirectional changed.
7

State, City, and ZIP Code changed.

Street type, predirectional, and postdirectional changed.
8

ZIP + 4 changed.

Street name changed.
9

ZIP and ZIP + 4 changed.

Street name and street type changed.
A

City and ZIP + 4 changed.

Street name and predirectional changed.
B

City, ZIP, and ZIP + 4 changed.

Street name, street type, and predirectional changed.
C

State and ZIP + 4 changed.

Street name and postdirectional changed.
D

State, ZIP, and ZIP + 4 changed.

Street name, street type, and postdirectional changed.
E

State, City, and ZIP + 4 changed.

Street name, predirectional, and postdirectional changed.
F

State, City, ZIP, and ZIP + 4 changed.

Street name, street type, predirectional, and postdirectional changed.