Citibank might be using a

[livinincali]

Citibank might be using a different scoring system. There are quite of few of them out there.

For example a google search yielded this

[quote]
The Credit Score Range Using Various Scoring Models:
FICO Score range: 300-850.
VantageScore 3.0 range: 300–850.
VantageScore scale (versions 1.0 and 2.0): 501–990.
PLUS Score: 330-830.
TransRisk Score: 100-900.
Equifax Credit Score: 280–850
[/quote]