What Is the Abbreviation for Connecticut?
The standard 2-letter abbreviation for Connecticut is CT.
Connecticut Abbreviation
CT is the standard abbreviation for Connecticut. Conn. still appears in older print sources, but CT is the standard code used in addresses, forms, databases, and current style guides.
Connecticut Abbreviation for Mailing and Forms
Use CT for Connecticut in mailing addresses, shipping labels, and official or business records.
In all of these contexts write CT in uppercase. The form CT. with a period is incorrect for postal use.
AP Style and Traditional Connecticut Abbreviation
What Does CT Stand For?
Connecticut's USPS abbreviation is CT.
CT became Connecticut's standard postal abbreviation in 1963. Conn. still appears in older writing, but CT is the form used in current addresses, forms, and databases.
How to Write a Connecticut Address
In a U.S. mailing address, write the city name, then CT in uppercase, then the five-digit ZIP Code. Never put a period after the abbreviation.
The same format applies in checkout forms, school worksheets, CRM systems, spreadsheets, shipping labels, and government databases — anywhere a two-letter state code is required.
Related Abbreviation Questions
These states share a first letter, region, or alphabetical position with Connecticut and are commonly looked up alongside it.
FAQ
What is the abbreviation for Connecticut?
The standard USPS abbreviation for Connecticut is CT.
What is the postal abbreviation for Connecticut?
CT is the two-letter postal abbreviation for Connecticut. It is the form used in mailing addresses, shipping labels, forms, and databases.
How do you abbreviate Connecticut?
Abbreviate Connecticut as CT in current USPS, mailing, and database use.
What is the two-letter abbreviation for Connecticut?
CT is the official two-letter abbreviation for Connecticut.
What is the Connecticut state code?
CT is the two-letter state code used for Connecticut in mailing addresses, forms, spreadsheets, and databases.
Why is Connecticut abbreviated CT?
Connecticut's USPS abbreviation is CT.
What does CT stand for?
CT stands for Connecticut in the USPS state abbreviation system.
What is the old abbreviation for Connecticut?
Older editorial styles often wrote Connecticut as Conn.. For mailing and database use, the modern standard is CT.
How do you write a Connecticut mailing address?
Use the city name, then the two-letter postal code CT, then the ZIP Code. For example: Hartford, CT 00000.
What state is CT?
CT is the postal abbreviation for Connecticut, located in the Northeast region. The capital is Hartford.