121.1—First-Class Mail.
(a)
For all intra-Sectional Center Facility (SCF) domestic First-Class Mail® pieces properly accepted before the day-zero Critical Entry Time at origin, the service standard is 1-day (overnight), except for mail between the territories of Puerto Rico and the U.S. Virgin Islands, and intra-SCF mail originating and destinating in the following 3-digit ZIP Code TM areas in the state of Alaska or designated portions thereof: 995 (5-digit ZIP Code areas 99540 through 99591) 996, 997, 998, and 999. First-Class Mail pieces addressed to a destination 3-digit ZIP Code area outside of an origin intra-SCF service area may be considered for overnight delivery from that origin SCF, if that mail is accepted before the day-zero Critical Entry Time at origin, if sufficient customer need exists [the destination SCF receives at least 1.5 percent of the total annual First-Class Mail volume originating from the origin Processing & Distribution Center/Facility (OPDC/F)], and if operational and transportation feasibility permit.
(b)
A 2-day service standard is established for all domestic First-Class Mail pieces properly accepted before the day-zero Critical Entry Time at origin if a 1-day service standard is not required, and if the origin PDC/F to Area Distribution Center surface transportation drive time is 12 hours or less, unless the origin and destination are within the state of Alaska; or if the origin and delivery address are separately in the territories of Puerto Rico and the U.S. Virgin Islands; or if the mail is intra-SCF and originating from or destinating to one of the following 3-digit ZIP Code areas in Alaska or designated portions thereof: 995 (5-digit ZIP Code areas 99540 through 99591), 996, 997, 998, and 999.
(c)
A 3-day service standard is established for all remaining domestic First-Class Mail pieces properly accepted before the day-zero Critical Entry Time at origin, if neither a 1-day nor a 2-day service standard is required and
(2)
The origin SCF is in the contiguous 48 states, and the delivery address is in either of the following: the 995 3-digit ZIP Code area in the state of Alaska, or the 968 3-digit ZIP Code area in the state of Hawaii, or in the 006, 007, or 009 3-digit ZIP Code areas of the territory of Puerto Rico;
(3)
The origin is in the 006, 007 or 009 3-digit ZIP Code areas of the territory of Puerto Rico and the delivery address is in the contiguous 48 states;
(4)
The origin SCF is in the state of Hawaii and the delivery address is in the territory of Guam; the origin is in the territory of Guam and the delivery address is in the state of Hawaii; or
(d)
A 4-day service standard is established for all remaining First-Class Mail pieces properly accepted before the day-zero Critical Entry Time at origin, if either a 1-day, 2-day, or 3-day service standard is not required, and if:
(1)
The origin SCF is in the contiguous 48 states and the delivery address is in either of the following: any portion of the state of Alaska not in the 995 3-digit ZIP Code area; or any portion of the state of Hawaii not in the 968 3-digit ZIP Code area; or the territory of the U.S. Virgin Islands.
(2)
The delivery address is in the contiguous 48 states and the origin is in either of the following: the state of Alaska, the state of Hawaii, or the territory of the U.S. Virgin Islands;
(3)
The origin and delivery address are in different states or territories, excluding mail to and from the territory of Guam and mail between the territories of Puerto Rico and the U.S. Virgin Islands.
(e)
A 5-day service standard is established for all remaining domestic First-Class Mail pieces properly accepted before the day-zero Critical Entry Time at origin, if those pieces originate in the territory of Guam but are not destined for Guam or the state of Hawaii, or if those pieces originate other than in Guam or Hawaii and are destined for Guam.
(f)
The service standard for Outbound Single-Piece First-Class Mail International TM pieces properly accepted before the day-zero Critical Entry Time at origin is equivalent to the service standard for domestic First-Class Mail from the same origin 3-digit ZIP Code to the 3-digit ZIP Code area in which that origin's designated International Service Center is located.
(g)
The service standard for Inbound Single-Piece First-Class Mail International is equivalent to the service standard for domestic First-Class Mail pieces from the 3-digit ZIP Code area in which that inbound mail's designated International Service Center is located to the 3-digit ZIP Code of the delivery address.