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United States-CASS

The following table describes the values and data indicators that a verifier can return when you verify a United States address in certified mode:

Field	Description
CASS Error Code	Indicates whether the fields in the US Specific field group contain data for the address. Verifier does not currently generate output on the CASS Error Code field.
Barcode	An 11-digit number that represents the delivery point for the record. It consists of the nine-digit ZIP+4 code and the two-digit Delivery Point Answer.
Carrier Route	A four-character code assigned to a mail delivery or collection route within a 5-digit ZIP Code. The first character of the code is alphabetical and the last three are numeric: Bnnn = PO box Hnnn = Highway contract Rnnn = Rural route Cnnn = City delivery Gnnn = General delivery
Congressional District	A standard value that identifies a geographic area served by a member of the United States House of Representatives or Senate. If the address is an Army/Air Force (APO) address or a fleet post office (FPO) address, the field is blank. If there is only one member of congress within the state, the value is AL (At Large).
Default Flag	Indicates that the record matched to a high-rise, rural route, or street default record in the ZIP + 4 data. The flag has the value Y for a matching record.
Delivery Point Answer	The final two digits of the house/box number, or if a High-rise record is matched, the secondary unit number that represents the delivery point information. The Delivery Point Answer contributes to the 11-digit delivery point barcode (DPBC).
Delivery Point Check Digit	A number that you can add to the sum of the other digits in the delivery point barcode (DPBC) to yield a number that is a multiple of ten. For example: ZIP+4 code = 123456789 Delivery Point Answer = 01 Sum of digits (1+2+3+4+5+6+7+8+9+0+1) = 46 Check digit = 4 (46+4 = 50)
DPV CMRA Indicator*	Indicates the result of the call to the DPV CMRA (Commercial Mail Receiving Agent) hash table: Y =Address was found in the CMRA table. N =Address was not found in the CMRA table. Blank = Address was not presented to the hash table.
DPV Confirmation Enhanced*	Provides additional information on the reasons for the DPV Status assignment: Y= Address was DPV confirmed for both primary and secondary numbers to determine a valid delivery point. D= Address was DPV confirmed for the primary number only, and secondary number information was missing. S= Address was DPV confirmed for the primary number only, and the secondary number information was present but not confirmed. Or, a single trailing alpha character on a primary number was dropped to make a DPV match, and secondary information is required. N= The primary number information failed to DPV confirm. R= Address was DPV confirmed but assigned to phantom route R777 or R779. The USPS does not provide delivery. Blank= Address was not presented to the hash table.
DPV Confirmation Indicator*	Indicates the result of the call to the Delivery Point Validation (DPV) Confirmation hash table: Y =Address was DPV confirmed for both primary and (if present) secondary numbers. D =Address was DPV confirmed for the primary number only, and secondary number information was missing. S = Address was DPV confirmed for the primary number only, and secondary number information was present but unconfirmed. N =Both primary and (if present) secondary number information failed to DPV confirm. Blank = Address was not presented to the hash table.
DPV 3553 Confirmation*	Indicates whether to add the address to the total number of addresses recorded in the ZIP + 4/DPV Confirmed column on form 3553: Increment the total number of addresses. Do not increment the total number of addresses.
DPV Door Not Accessible*	Identifies addresses that do not provide a door or entry point that the postal carrier can access. A Door Not Available (DNA) address might not provide a door for mail delivery, or the mailbox might reside behind a locked gate. The field can contain the following values: Y = Address does not have a door available for postal delivery. N = Address has a door available for postal delivery. Blank = Address was not presented to the hash table.
DPV Drop Indicator*	Indicates the status of the address in the Delivery Sequence File Second Generation (DSF2) Drop Indicator table. The Drop Indicator table identifies mailbox addresses that serve multiple households or businesses. The field can contain the following values: Y= Address was found in the table. N= Address was not found in the table. Blank = Address was not presented to the hash table.
DPV False Positive Indicator*	Indicates the results of the call to the DPV False Positive hash table: Y = Address was found in the False Positive table. N = Address was not found in the False Positive table. Blank = Address was not presented to the hash table.
DPV Footnote 1* DPV Footnote 2* DPV Footnote 3* DPV Footnote 4* DPV Footnote 5*	The footnote(s) returned for an address from DPV processing: AA - Input address matched to the ZIP + 4 product. A1 - Input address not matched to the ZIP + 4 product. BB - Input address matched to DPV for both primary and secondary numbers necessary to determine a valid delivery point. CC - Input address primary number matched, secondary number not matched, secondary number not required. C1 - Input address primary number matched, secondary number not matched, secondary number required. F1 - Input address matched to a military address. G1 - Input address matched to a general delivery address. IA - Informed address identified. M1 - Input address primary number missing. M3 - Input address primary number not valid. N1 - Input address primary number matched to DPV, but required secondary number is missing. PB - Identified Post Office Box Street Address. P1 - Input address Post Office Box, Rural Route, or Highway Contract box number missing. P3 - Input address Post Office Box, Rural Route, or Highway Contract box number not valid. RR - Input address matched to a Commercial Mail Receiving Agency (CMRA), but a Private Mailbox (PMB) designator is present (PMB 123 or # 123). R1 - Input address matched to CMRA, but PMB designator is not present (PMB 123 or # 123). R7 - Addresses that are assigned to a phantom route R777 or R779. TA - Input address primary number matched to DPV by dropping trailing alphabetic character. U1 - Input address matched to a unique ZIP Code.
DPV Footnote Complete*	All data values from the populated DPV Footnote fields in a single string.
DPV No Secure Location*	Identifies an address that does not provide a reliable mailbox or reception point for mail: Y = Location is not secure. N = Location is secure. Blank = Address was not presented to the hash table.
DPV PBSA*	Indicates that the address is a Post Office Box Street address (PBSA): Y =Address was found in the PBSA table. N =Address was not found in the PBSA table. Blank = Address was not presented to the hash table. A verifier also returns the footnote PB for a PBSA address.
DPV Throwback Indicator*	Indicates a valid street address for which the USPS forwards mail to a Post Office Box: Y = The address is a Throwback address. N = The address is not a Throwback address. Blank = Address was not presented to the hash table.
DSF2 No Stats Indicator*	Indicates the results of the call to the DPV No-Stat table: Y = Address was found in the No-Stat table. N = Address was not found in the No-Stat table. Blank = Address was not presented to the hash table.
DSF2 No Stats Reason*	A single-digit code that identifies the reason why an address returned a Y in the `DSF2 No Stats Indicator`field. The code can have the following values: `1 - IDA` Internal Drop Address. The verified address does not physically receive mail. Instead, the USPS delivers mail to a 'drop' address associated with the verified address. `2 - CDS` The address identifies a new construction that cannot yet accept delivery. Or, the address lies on a Rural Route, Highway Contract Route, or Contract Delivery Service route and the delivery point is unoccupied for more than 90 days. `3 - Collision` The address does not DPV confirm. A verifier users will not see the collision value, because address validation will change the NoStats indicator to N in this case and clear the NoStats Reason code. `4 - CMZ` The address is in a college, military, or other zone. A CMZ address is a ZIP+4 address that the USPS has added to the reference data. `5 - Regular No-Stat` The address is no longer deliverable or lies on an R777 route, Or, the address includes a Post Office Box that has never been rented or is not available to rent.
DSF2 Vacant Indicator*	Indicates the results of the call to the DPV Vacant table: Y = Address was found in the Vacant table. N = Address was not found in the Vacant table. Blank = Address was not presented to the hash table.
eLOT Flag	The Enhanced Line of Travel (eLOT) order in which delivery points are delivered within a given add-on code. For example, if the code is A (Ascending) and the house numbers are 1, 3, and 5, the carrier delivers 1, 3, and 5, in that order (low to high). If the code is D (Descending), the carrier delivers first to 5, then 3, and then 1 (high to low).
eLOT Sequence Number	A number that indicates the order in which add-on codes are arranged within a given carrier route.
Early Warning System (EWS) Return Code*	Indicates whether the address was found in the EWS data: Y = Address was found in the EWS data, thus resulting in a ZIP + 4 No Match. Blank = Address was not found in the EWS data.
High-rise Default	A flag that indicates that the record is assigned to a default high-rise record.
High-rise Exact	Identifies high-rise addresses that contain unit identifiers.
LACS Indicator*	Identifies an address that matched to a LACS address in the ZIP + 4 file. A LACS address is an address that was converted to the city-style address format so that emergency vehicles can more easily find the address location. Return values: L = Address matched to a LACS address in the ZIP + 4 file. Blank = Address is not a LACS address in the ZIP + 4 file.
LACSLink Indicator*	An indicator returned when the LACSLink hash tables are queried: Y = The input record matched a record in the master file. N = The input record did not match a record in the master file. Blank = Address was not presented to the hash table.
LACSLink False Positive*	Indicates the results of the call to the LACSLink False Positive hash table: Y = Address was found in the table. N = Address was not found in the table. Blank = Address was not presented to the table.
LACSLink Return Code*	A return value from LACSLink processing: `A = LACS record match` A new address can be furnished. The input record matched to a record in the master file. `00 = No match` A new address cannot be furnished. The input record cannot be matched to a record in the master file. `14 = Found LACS record, but new address did not convert at run time.` The new address cannot be converted to a deliverable address. The input record matched to a record in the master file. `92 = LACS record, secondary number dropped from input address.` The record is a ZIP + 4 street-level or high-rise match. The input record matched to a master file record, but the input address had a secondary number and the master file record did not.
NonDelivery Days*	A seven-character code that identifies the day or days of the week on which an address cannot receive mail. The code contains a seven-character string that represents the days of the week from Sunday through Saturday. A verifier returns the first letter of a weekday in the corresponding position in the code if the address does not receive mail on that day. A verifier returns a dash symbol in the corresponding position otherwise.
NonDelivery Days Flag*	A single-character field that indicates if the address is not deliverable on one or more days of the week. Address verification populates the NonDelivery Days field for every address that returns Y in the NonDelivery Days Flag field. The NonDelivery Days Flag field can contain the following values: Y= Address was found in the table. N= Address was not found in the table. Blank = Address was not presented to the hash table.
PO Box Only	Indicates if the address is located in a ZIP code that contains post office box addresses only. Y = Address is in a post office box-only delivery zone.
Residential Delivery Indicator *	Indicates if the delivery point is residential: Y = Indicates residential delivery. N = Not residential delivery. Blank = Did not query the Residential Delivery Indicator (RDI) data.
Record Type Code	An alphabetic value that identifies the type of data in the record. Record type codes include the following: F = Firm G = General delivery H = High-rise P = PO box R = Rural route/highway contract S = Street U = Unidentified. Verification does not assign a record type.
Rural Route Default	A flag that indicates that the record is assigned to a default rural route record. This occurs when the input house number does not match to the primary numbers in the reference data and there is a corresponding rural route record with no primary numbers.
Rural Route Exact	Indicates if the address matches a rural route address in the USPS address reference data set.
SuiteLink Return Code*	A return value of SuiteLink Processing: `A = SuiteLink Record Match` The input record matched to a record in the master file. An improved business address can be furnished. `00 = No Match` Business address not improved. The input record cannot be matched to a record in the master file. An improved business address can not be furnished.
ZIPMove Return Code*	A return value from ZIPMove processing: Y = ZIPMove match was made. N = ZIPMove match was not made.
ZIP5 Valid Flag	Indicates whether the address record can be added to Form 3553. Five-digit validation requires that the last line values of city, state, and ZIP Code correspond to each other. When CASS certification makes a ZIP+4 match, the five-digit ZIP Code is valid. Five-digit validation applies to No Match ZIP+4 records.