Indicates that alternate routing instructions should be used instead of the regular ones given
9A
9 A.M.
AC
Air Cargo
AE
Air Economy
AM
A.M.
BC
Business Class
C1
Consolidated Service
CB
Consignee Billing Service
CE
Courier Express
CG
Ground
CS
Co-Load Service
CX
Express Service
D1
Delivery Scheduled Next Day by Cartage Agent
D2
Delivery scheduled second day by cartage agent
D3
Delivery scheduled third day by cartage agent
DC
Delivery Confirmation
DF
Deferred Service
DR
Delivery Confirmation Return
DS
Door Service
DT
Delivery Notification Only
EC
Economy
ES
Expedited Service
ET
Proof of Delivery (POD) with Signature
FC
First Class
G2
Standard Service
GP
Express Service Plus
GT
Tracking - Ground
I2
International Second Day
IA
IATA
IE
Expedited Service - Worldwide
IS
International Service
IX
Express Service - Worldwide
ME
Metro
MW
Multiweight
ND
Next Day Air
Delivery during business day hours of next business day
NF
Next Flight Out
NH
Next Day Hundred Weight
NM
Next Morning
NS
Not Served
ON
Overnight
P1
Priority Service
P2
Primary Service Area
PA
Primary Service Area - Next Day by 10:30 A.M.
PB
Priority Mail
Can consist of any mail matter (including regular First-Class mail) weighing eleven ounces or less and marked Priority Mail for which the mailer chooses to pay the minimum Priority Mail rate for unguaranteed two-day service among major cities and three-day service everywhere else; First-Class mail weighing more than eleven ounces automatically becomes Priority Mail and must be marked as such
PC
Primary Service Area - Next Day By 9:30 AM
PI
Priority Mail Insured
Fees in addition to the Priority Mail rate for single pieces of Third- or Fourth-Class Mail or Third- or Fourth Class matter mailed at the Priority Mail rate; sealed articles must be endorsed "Third-Class Mail Enclosed" or "Fourth-Class Mail Enclosed" in addition to the Priority Mail endorsement
PM
PM
PN
Primary Service Area - Next Day by Noon
PO
P.O. Box/Zip Code
PR
Primary Service Area - Next Day by 5:00 P.M.
PS
Primary Service Area - Second Day by Noon
PX
Premium Service
PY
Priority
R1
Passenger Service
R2
Quality Intermodal High Speed 70 Miles Per Hour (MPH)
R3
Other Intermodal and Stack Service
R4
60 Miles Per Hour (MPH) Service
R5
Manifest Freight
R6
Circus Train
R7
Work Train
R8
Commuter Service
R9
Vehicle (Automobile) Train
RS
Authorized Return Service
SA
Same Day
SC
Second Day Air
Delivery during business day hours no later than second business day