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
CE
Courier Express
D1
Delivery Scheduled Next Day by Cartage Agent
D2
Delivery scheduled second day by cartage agent.
D3
Delivery scheduled third day by cartage agent.
FC
First Class
IA
IATA
ME
Metro
MW
Multiweight
ND
Next Day Air
Delivery during business day hours of next business day
NF
Next Flight Out
NM
Next Morning
NS
Not Served
ON
Overnight
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
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
SA
Same Day
SC
Second Day Air
Delivery during business day hours no later than second business day