CASS Field Descriptions

The table below displays the CASS fields currently available in the Loqate API.

Field Definition
AutoZoneIndicator Automated Zone Indicator
A – Carrier route sort rates apply. Merge allowed.
B – Carrier route sort rates apply. Merge not allowed.
C – Carrier route sort rates do not apply. Merge allowed.
D – Carrier route sort rates do not apply. Merge not allowed.
CarrierRoute Carrier route code assigned to a mail delivery or collection route within a 5-digit ZIP Code. This is also referred to as CRID. There are 5 types:
B – PO Box
H – Highway contract
R – Rural route
C – City delivery
G – General delivery
CMRAIndicator Indicates whether the address is associated with a Commercial Mail Receiving Agency(CMRA).
Y – Address was found in the table
N – Address was not found in the table
blank – Address was not presented to the table
CongressionalDistrict The congressional district to which the address belongs
DefaultFlag A value of “Y” indicates that the record matched to a high rise default, rural route default, or street default record in the ZIP+4 file.
blank – Not a default
DeliveryPointBarCode 3-digit code which consists of the 2-digit delivery point code and 1-digit check digit.This is used to create the 12-digit POSTNET barcode which consists of the 5-digit ZIP Code, 4-digit ZIP+4 addon code, and this 3-digit code.
DPVConfirmedIndicator Indicates the deliverability of the address
Y – Confirmed
N – Not confirmed
S – Confirmed after dropping the subbuilding number
D – Premise number confirmed but subbuilding number is missing
blank – The address was not submitted for DPV confirmation.
DPVFootnotes Delivery Point Validation footnotes. This field is used together with the DPVConfirmedIndicator field to understand the input address’ validity and deliverability
AA – Street, city, state and ZIP are valid. Address matched a record in the ZIP+4 file.
A1 – Address not found in the ZIP+4 file. Address is invalid
BB – All address components are confirmed. Address is a deliverable
address
CC – Address is a deliverable address after dropping the subbuilding number from the input address
F1 – Address matched to a military address
G1 – Address matched to a general delivery address
N1 – Found a DPV match to the premise number but the subbuilding number is missing from the input record
M1 – Premise number is missing
M3 – Premise number is invalid
P1 – PO, RR, HC Box number missing
P3 – PO, RR, HC Box number is invalid
PB: Input address matched to a post office box street address
RR – Address matched to CMRA and PMB designator is present
R1 – Address matched to CMRA but PMB designator is not present
R7: Input address matched to a physical address that does not receive delivery from the USPS (R777)
U1 – Address matched to a unique ZIP Code
eLOTCode eLOT directional indicator. See the eLOTNumber field for additional information.
A – ascending
D – descending
eLOTNumber 4-digit sequence number for eLOT (Enhanced Line of Travel). This number combined with the eLOTCode field is used in mail sortation. eLOT processing may be used by mailers to qualify for enhanced carrier route presort discounts.
blank – Address not submitted for eLOT
EWSFlag A value of “Y” indicates that the address matched a record in the EWS (Earl Warning System) file, thus resulting in a ZIP+4 no match
blank – Address was not flagged by EWS
FalsePositiveIndicator The False Positive table flags the False Positive addresses.  This is a flag to determine whether a mailing list is being generated or created during validation.  Creating a mailing list through DPV certification is not allowed by the USPS.
Y – Address was found in the table
N – Address was not found in the table
blank – Address was not presented to the table
FIPSCountyCode 3-digit FIPS (Federal Information Processing Standard) code which uniquely identifies counties.
Footnotes Footnote string
A – ZIP corrected
B – City/State corrected
C – Invalide City/State/ZIP
D – No ZIP assigned
E – ZIP assigned for multiple response
F – No ZIP available
G – Part of firm moved to address
H – Subbuilding number missing
I – Insufficient/incorrect data
J – Dual input
K – Multiple results caused by cardinal rule
L – Delivery address component added/deleted/changed
LL or LI – Flagged address for LACSLink. The input address matched a record that was LACS-indicated, that was submitted to LACSLink for processing. This does not mean that the address was converted; it only means that the address was submitted to LACSLink because the input address had the LACS indicator set.
M – Street name spelling changed
N – Delivery address was standardized
O – Low +4 tie-breaker (multi-response)
P – Better delivery address exists
Q – Unique zipcode
R – No match due to EWS (Early Warning System)
S – Invalid secondary number
T – Multiple results caused by magnet rule
U – Unofficial po name
V – Unverifiable city/state
W – Small town default
X – Unique ZIP code generated
Y – Military match
Z – ZIP move match
LACSLinkCode Code returned by LACSLink®  after querying the LACSLink® database.
A – The input address matched to a record in the LACS
Link® database. A new address could be furnished.
00 – The input address could not be matched to a record in the LACS
Link®database. A new address could not be furnished.
14 – The input record matched to a record in the LACSLink®database. The new address could not be converted to a deliverable address.
92 – The input address matched to a LACSLink® record but the input address had a subbuilding number and the LACSLink® record did not.
blank – No LACSLink lookup attempted
LACSLinkIndicator Indicator returned by LACSLink®  after querying the LACSLink® database.
Y – The input address matched to a record in the LACSLink® database.
S – The input address matched to a LACSLink® record but the input address had a subbuilding number and the LACSLink® record did not.
N – The input address could not be matched to a record in the LACSLink® database. A new address could not be furnished.
F – A false positive record was detected
blank – No LACSLink lookup attempted
LACSStatus A value of “L” indicates that the input address matched an entry in the Locatable Address Conversion Service database and the input address has been converted from a rural-style address to a city-style address.
blank – No LACS Status returned
NoStatIndicator Indicates the address is not receiving delivery, and the address is not counted as a possible delivery. These addresses are not receiving delivery because A) delivery has not been established; B) customer receives mail as a part of a drop; or C) the address is no longer a possible delivery because the carrier destroys or returns all of the mail.
Y – Address was found in the table
N – Address was not found in the table
blank – Address was not presented to the table
PMBNumber Parsed PMB number following the PMB designator
PMBType Parsed Private Mailbox (PMB) designator
PrimaryAddressLine Primary delivery address line. This can include any of the following:
Premise Number
Thoroughfare Name
Thoroughfare Predirection
Thoroughfare Postdirection
Thoroughfare Trailing Type
Subbuilding Number
PO BOX
RecordType Record type of address that is confirmed as a valid delivery address
S – Street
P – PO Box
R – Rural route
H – Highrise
F – Firm
G – General delivery
blank – No record type because address did not make a valid DPV match
ReturnCode 10 – Invalid input address
11 – Invalid 5-digit ZIP Code
12 – Invalid state abbreviation code
13 – Invalid city name
21 – No match found
22 – Multiple responses were found and more specific information is required to select a single or default response
31 – A single matching address was found
32 – An address was found, but a more specific address could be found with more information
ResidentialDelivery This field indicates whether the input address is a residential address or a business address
Y – residential
N – business
blank – invalid address
This field is only available if RDI data pack is installed together with CASS
SecondaryAddressLine Secondary delivery address line if present.
SUITELinkFootnote Code returned by SuiteLink®  after querying the SuiteLink® database.
A – The input address matched to a record in the SuiteLink® database. An improved business address could be furnished.
00 – The input address could not be matched to a record in the SuiteLink® database.
VacantIndicator Indicates that the delivery point was active in the past, but is currently vacant (in most cases, unoccupied over 90 days) and is not receiving deliveries.
Y – Address was found in the table
N – Address was not found in the table
blank – Address was not presented to the table