Trust Score

Reason Code	Description
CU	Carrier call was unsuccessful
D1	This phone number is listed on a public website with the contents of its text messages posted publicly to allow a user to bypass phone possession check controls.
D2	The phone number was recently deactivated.
DR	The device date returned wasn’t obtained in real-time, there could be a more recent device change.
DS	T-Mobile customers only: mobile number has been identified as “Do Not Sell” by the carrier, and live data was not used for the Trust Score.
DV	High device change velocity associated with the phone.
FF	Call forwarding wasn’t enabled on the consumer’s phone. This feature isn’t turned on by default. Please contact your account representative to enable this reason code.
FO	Call forwarding was enabled on the consumer’s phone. This feature isn’t turned on by default. Please contact your account representative to enable this reason code.
G1	The transaction failed at least one authentication check as defined in the Global Fraud Policy.
G2	The transaction failed at least one identification check as defined in the Global Fraud Policy.
G3	The transaction failed at least one compliance check as defined in the Global Fraud Policy.
G4	The transaction failed at least one risk check as defined in the Global Fraud Policy.
HV	High velocity of change events associated with the phone.
LP	Device Change < 90 days OR SIM Change < 90 days OR Mobile Number Change < 90 days
LS	Device Change < 90 days OR SIM Change < 90 days
LT	Device Change < 90 days old
ND	Phone number “network status” (Active/Deactivated/Suspended) information is not available from the carrier.
NM	The line type was not mobile.
NP	Non-personal line.
PN	This indicates the phone number was not active.
PT	The phone number was in a ported state. Any number not on its original home carrier has a PT reason code. This is NOT indicative of a recent carrier port.
RL	The phone number was associated with a high-risk line type (Non-Fixed VoIP or Prepaid).
RN	The phone number was at a lower risk for fraud due to being listed as a mobile line on the Override Services Registry (OSR).
RR	The phone number was at a higher risk for fraud due to being listed as a non-mobile line on the Override Services Registry (OSR).
SA	The phone number is classified as a sub-account line.
SR	The SIM date returned was not obtained in real-time, there could be a more recent SIM change.
UC	This indicates there was insufficient data to calculate the Trust Score.

Identity

Reason Code	Description
C2	2 identities that have OS or OV reason codes
C3	3 identities that have OS or OV reason codes
C4	4 identities that have OS or OV reason codes
C5	5 or more identities that have OS or OV reason codes
CA	Common addresses appearing across many unrelated identities associated with the phone number. This may indicate an increased risk of fraudulent activity.
DV	High device change velocity associated with the phone.
G1	The transaction failed at least one authentication check as defined in the Global Fraud Policy.
G2	The transaction failed at least one identification check as defined in the Global Fraud Policy.
G3	The transaction failed at least one compliance check as defined in the Global Fraud Policy.
G4	The transaction failed at least one risk check as defined in the Global Fraud Policy.
HV	High velocity of change events associated with the phone.
KA	Ownership tenure is between 8 and 14 days.
KB	Ownership tenure is between 15 and 21 days.
KC	Ownership tenure is between 22 and 30 days.
KD	Ownership tenure is between 31 and 45 days.
KE	Ownership tenure is between 46 and 60 days.
KF	Ownership tenure is between 61 and 90 days.
KG	Ownership tenure is between 91 and 120 days.
KH	Ownership tenure is between 121 and 150 days.
KI	Ownership tenure is between 151 and 180 days.
KJ	Ownership tenure is between 181 and 365 days.
KK	Ownership tenure is between 366 and 730 days.
KL	Ownership tenure is between 731 and 1095 days.
KM	Ownership tenure is between 1096 and 1460 days.
KN	Ownership tenure is between 1461 and 1825 days.
KO	Ownership tenure is greater than 1826 days.
	These codes are not enabled by default. Talk to a Prove representative to enable them.
LP	IED < 90 days \
LS	IED < 90 days \
LT	IED < 90 days old
MM	The returned identity has a different name than the input name.
ND	Phone number “network status” (Active/Deactivated/Suspended) information is not available from the carrier.
NO	Newer ownership (identity) was recently associated with the phone number.
OD	The ownership of the phone number was found before a disconnect date.
OL	Ownership tenure is greater than 45 days.
OO	Input identity was verified (verified=true). The connection of the ownership or association to this phone number was not recent. However, no known newer ownership or association was found. See also code NO.
OS	This indicates short ownership tenure, which is 8 to 45 days.
OU	This indicates ownership tenure was unknown, meaning the date attributes associated with the phone number were unavailable. Ownership tenure is how long the identity has been associated with a phone number, based on when the ownership was first seen. See also codes OL, OS, and OV.
OV	Ownership tenure of less than seven days.
PN	This indicates the phone number was not active.
PT	The phone number was in a ported state. Any number not on its original home carrier has a PT reason code. This isn’t indicative of a recent carrier port.
R1	The number of identities associated with the phone number exceeded the suggested limit. This could be a sign of a higher risk of fraudulent activity.
RL	The phone number was associated with a high-risk line type (Non-Fixed VoIP or Prepaid).
S1	Synthetic identity reason code one: the identity matched has many unique SSNs. This can indicate a higher risk of the identity being synthetic.
S2	Synthetic identity reason code two: the identity matched has many DOB records. This can indicate a higher risk of the identity being synthetic.
S3	Synthetic identity reason code three: the identity matched has a high number of relatives with the same/similar name. This can indicate a higher risk of the identity being synthetic.
S4	Synthetic identity reason code four: the identity matched has an SSN issued before either the submitted DOB or—if no DOB was submitted—the identity’s DOB. This can indicate a higher risk of the identity being synthetic.