Is the Post Office Open on MLK Day 2027?
Post Offices (per USPS) are closed on Monday, January 18, 2027, for Martin Luther King, Jr. Day, and regular mail is not delivered. USPS says: “Regular mail delivery occurs Monday through Saturday, with the exception of postal holidays.”
The number of days to Monday, January 18, 2027 appears here once the page loads in your browser.
Maintained by Archie Chang · Dates and sources checked November 1, 2026 · Methodology & sources
The answer for MLK Day 2027
USPS lists Martin Luther King, Jr. Day on its 2027 holiday list. On postal holidays Post Offices (per USPS) are closed and regular mail is not delivered.
The quotes below are USPS wording on regular mail and on Priority Mail Express.
Regular mail delivery occurs Monday through Saturday, with the exception of postal holidays.
Sunday and holiday delivery available in many major markets for an additional fee.
Source: USPS: holidays and events, USPS FAQ: No mail delivery?, USPS location finder
What else is open on MLK Day 2027
| Who | Status | Details |
|---|---|---|
| Federal offices | Closed | OPM lists Monday, January 18, 2027 as the Birthday of Martin Luther King, Jr. holiday (5 U.S.C. 6103), so federal offices are closed for most federal employees.Source: OPM: Federal Holidays, 5 U.S.C. 6103: Holidays |
| Federal Reserve Banks | Closed | Martin Luther King Jr. Day is on the Federal Reserve holiday schedule. Your bank sets its own branch hours, so check with your bank.Source: Federal Reserve Financial Services: holiday schedules, Federal Reserve Board: holiday schedule |
| Post Offices (per USPS) | Closed | Martin Luther King, Jr. Day is on the USPS holiday list: no regular mail delivery.Source: USPS: holidays and events |
| NYSE | Closed | Martin Luther King Jr. Day is on NYSE's holiday list.Source: NYSE: holidays and trading hours |
| The bond market (SIFMA recommendation) | Closed | SIFMA recommends a full close.Source: SIFMA: holiday schedule |
What the USPS lists show for MLK Day
USPS listed Martin Luther King, Jr. Day on Monday, January 19, 2026 and lists it on Monday, January 18, 2027 for 2027. MLK Day 2027 (Monday, January 18, 2027) is a postal holiday, so Post Offices (per USPS) are closed and regular mail is not delivered.
For Priority Mail Express and for guaranteed delivery on a holiday, USPS wording is quoted below.
Our fastest domestic shipping service, Priority Mail Express® (PME) delivers 7 days a week, 365 days a year (with limited exceptions) to most U.S. addresses and PO Box™ addresses with a money-back guarantee.
Sunday and holiday delivery available in many major markets for an additional fee.
Delivery guaranteed for a Sunday or holiday is charged a premium fee (see Notice 123—Price List).
Source: USPS: holidays and events, USPS FAQ: Priority Mail Express Service, Domestic Mail Manual 113
MLK Day 2028
MLK Day 2028 falls on Monday, January 17, 2028.
The 5 U.S.C. 6103 holiday rule gives that date (a computation). When we checked on November 1, 2026, the USPS holiday page listed 2026 and 2027 only, so it is not a USPS-published date; check USPS for 2028.
Source: 5 U.S.C. 6103: Holidays, NYSE Group: 2026, 2027 and 2028 holiday calendar (Dec. 23, 2025), Federal Reserve Board: holiday schedule
Related pages
- Are Banks Open on MLK Day 2027?
- Is the Stock Market Open on MLK Day 2027?
- Post Office holiday checker
- MLK Day 2027
- USPS holidays 2026
- Federal holidays 2027
- Federal holiday checker
The same question for other holidays
- Is the Post Office Open on Veterans Day 2026?
- Is the Post Office Open on Black Friday 2026?
- Is the Post Office Open on Christmas Eve 2026?
- Is the Post Office Open on Presidents Day 2027?
- Is the Post Office Open on Good Friday 2027?
- Is the Post Office Open on Memorial Day 2027?
- Is the Post Office Open on Juneteenth 2027?
- Is the Post Office Open on Labor Day 2027?
- Is the Post Office Open on Columbus Day 2027?
- Is the Post Office Open on New Year's Eve 2026?
- Is the Post Office Open on New Year's Day 2027?
Questions
Is the Post Office Open on MLK Day 2027?
Post Offices (per USPS) are closed on Monday, January 18, 2027, for Martin Luther King, Jr. Day, and regular mail is not delivered. USPS says: “Regular mail delivery occurs Monday through Saturday, with the exception of postal holidays.”
Is mail delivered on MLK Day 2027?
No regular mail. USPS says: “Regular mail delivery occurs Monday through Saturday, with the exception of postal holidays.” Martin Luther King, Jr. Day is on the USPS 2027 holiday list: Monday, January 18, 2027.
Does Priority Mail Express deliver on MLK Day 2027?
USPS says: “Our fastest domestic shipping service, Priority Mail Express® (PME) delivers 7 days a week, 365 days a year (with limited exceptions) to most U.S. addresses and PO Box™ addresses with a money-back guarantee.” USPS also says: “Sunday and holiday delivery available in many major markets for an additional fee.”
Is the Post Office open on MLK Day 2028?
MLK Day 2028 falls on Monday, January 17, 2028. The 5 U.S.C. 6103 holiday rule gives that date (a computation). When we checked on November 1, 2026, the USPS holiday page listed 2026 and 2027 only, so it is not a USPS-published date; check USPS for 2028.
Are banks open on MLK Day 2027?
Closed: Federal Reserve Banks are closed on Monday, January 18, 2027. The Federal Reserve Bank page has the FedACH and payment details.
Is the stock market open on MLK Day 2027?
NYSE is closed on Monday, January 18, 2027. The stock market page has the SIFMA bond market status.
Sources: OPM: Federal Holidays · 5 U.S.C. 6103: Holidays · Federal Reserve Financial Services: holiday schedules · Federal Reserve Board: holiday schedule · USPS: holidays and events · NYSE: holidays and trading hours · SIFMA: holiday schedule · NYSE Group: 2026, 2027 and 2028 holiday calendar (Dec. 23, 2025)