What Is the Abbreviation for Maryland?
The standard abbreviation for Maryland is MD. This page explains why Maryland uses MD, how the code fits into the modern USPS system, what older printed abbreviations looked like, and which nearby or similar state codes people commonly confuse with it.
What Is the Abbreviation for Maryland?
Maryland's abbreviation is MD. You may also see Md. in older writing, but MD is the form used in mailing addresses, forms, databases, and current style guides.
MD is used for Maryland in mailing addresses, shipping labels, official forms, and database records.
Why Maryland Uses MD
Maryland's USPS abbreviation is MD.
USPS has used MD for Maryland since 1963. The older form Md. still appears in older publications, but MD is the standard postal abbreviation today.
Old Abbreviation for Maryland
Before the USPS two-letter system became the mailing standard in 1963, printed reference books and newspapers often used longer abbreviations with punctuation. For Maryland, that older style was usually Md..
That older form still appears in historical texts, archival material, and some legacy style guides, but the modern postal and database standard is MD. If someone searches for old abbreviation for Maryland, the practical answer is to recognize Md. and use MD in current writing and addresses.
How to Write Maryland in an Address
In standard American addressing, the state line uses the city name followed by the two-letter code and ZIP Code. The abbreviation stays uppercase and does not take periods.
That same format applies in checkout forms, school worksheets, CRM exports, spreadsheets, shipping labels, and government databases — anywhere a two-letter state code is required.
MD Compared With Similar State Codes
MD is sometimes checked against ME, MA, and MI when several M-state abbreviations appear together.
Related Abbreviation Questions
These states share a first letter, region, or alphabetical position with Maryland and are commonly checked alongside it.
Capital, Region, and Context
Maryland belongs to the South region. Its capital is Annapolis, and its postal code MD is used in addresses, forms, and databases throughout the country.
Maryland entered the Union on April 28, 1788.
FAQ
What is the abbreviation for Maryland?
The standard USPS abbreviation for Maryland is MD.
What is the postal abbreviation for Maryland?
MD is the two-letter postal abbreviation for Maryland. It is the form used in mailing addresses, shipping labels, forms, and databases.
How do you abbreviate Maryland?
Abbreviate Maryland as MD in current USPS, mailing, and database use.
Why is Maryland abbreviated MD?
Maryland's USPS abbreviation is MD.
What does MD stand for?
MD stands for Maryland in the USPS state abbreviation system.
What is the old abbreviation for Maryland?
Older editorial styles often wrote Maryland as Md.. For mailing and database use, the modern standard is MD.
How do you write a Maryland mailing address?
Use the city name, then the two-letter postal code MD, then the ZIP Code. For example: Annapolis, MD 00000.
What state is MD?
MD is the postal abbreviation for Maryland, located in the South region. The capital is Annapolis.
Test All 50 State Abbreviations
Now that you know MD stands for Maryland, see how many of the other 49 you can get right. The M-states and I-states trip up most people.