Each address group is determined by the number of known glyphs required to dial the address. By categorizing portal addresses by their glyph groups players who have not learned all sixteen glyphs can more easily utilize the Repository to locate portal addresses they can dial.
Group 00:
0
Group 01:
1
Group 02:
2
Group 03:
3
Group 04:
4
Group 05:
5
Group 06:
6
Group 07:
7
Group 08:
8
Group 09:
9
Group A:
A
Group B:
B
Group C:
C
Group D:
D
Group E:
E
Group F:
F