StacksVerified U.S. federal law reference

39 CFR Part 121, Appendix A — Tables Depicting Service Standard Day Ranges

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

The following tables reflect the service standard day ranges resulting from the application of the business rules applicable to the market-dominant mail products referenced in §§ 121.0 through 121.4 (for purposes of part 121, references to the contiguous states or the contiguous 48 states also include the District of Columbia):

Table 1. End-to-end service standard day ranges for mail originating and destinating within the contiguous 48 states and the District of Columbia.

Mail classEnd-to-end range (days)
First-Class Mail0-5
Periodicals3-6
USPS Marketing Mail4-7
Package Services4-7

Table 2. End-to-end service standard day ranges for mail originating and/or destinating in non-contiguous states and territories.

Mail classEnd-to-end range (days)
Intra-state/territoryInter-state/territory
First-Class Mail0-5 | 2-5
Periodicals3-6 | 3-27
USPS Marketing Mail4-7 | 4-28
Package Services* 4-7 | 4-29

* Excluding bypass mail.

Table 3. Destination-entry service standard day ranges for mail to the contiguous 48 states and the District of Columbia.

Mail class | Contiguous states

Destination entry (at appropriate facility) range (days)

* DDU* DLPC* DRPDC
Periodicals11 | 2
USPS Marketing Mail23-4 | 5
Package Services12 | 3

* DDU = Destination Delivery Unit; DLPC = Destination Local Processing Center; DRPDC = Destination Regional Processing and Distribution Center or Campus.

Table 4. Destination entry service standard day ranges for mail to non-contiguous states and territories.

Mail classDestination entry (at appropriate facility)
* DDU range (days)* DLPC range (days) | * DRPDC range (days)
Alaska** Hawai'i, Guam, NMI, & AS | ** PR & USVI | Alaska | Hawai'i, Guam, NMI, & AS | PR & USVI
Periodicals1 | 1-3 | 1-4 | 1-3 | 10-11 | 10 | 8-10
USPS Marketing Mail2 | 3-4 | 3-5 | 3-5 | 14 | 13 | 12
Package Services1 | 2 | 2-3 | 2-3 | 12 | 11 | 11

* DDU = Destination Delivery Unit; DLPC = Destination Local Processing Center; DRPDC = Destination Regional Processing and Distribution Center or Campus.

** AS = American Samoa; NMI = Northern Mariana Islands; PR = Puerto Rico; USVI = United States Virgin Islands.