Pick 203 for Stamford, Bridgeport or New Haven.
203 is an original code of 1947, and 475 was laid over it in 2009.
Connecticut has four area codes: 203, 860, 475 and 959.
Area codes in Connecticut
Get a phone number with the right area code for Connecticut.
203 and 475 cover the southwest, from Stamford and Bridgeport to New Haven and Waterbury. 860 and 959 cover Hartford and the rest of Connecticut.
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Connecticut has four area codes.
In the order they opened.
- 203Since 1947Southwest Connecticut
83 FCC complaints
Get a 203 number - 860Since 1995Hartford and most of Connecticut
124 FCC complaints
Get an 860 number - 475Since 2009Southwest Connecticut
111 FCC complaints
Get a 475 number - 959Since 2014Hartford and most of Connecticut
59 FCC complaints
Get a 959 number
959
The newest area code in Connecticut is 959.
959 entered service in 2014, laid over 860 in Hartford and most of Connecticut.
Pick 203 for New Haven and Fairfield County, or 860 for Hartford.
Pick 860 for Hartford, New Britain or Bristol.
860 was split from 203 in 1995 and takes in most of the state, with West Hartford and Manchester too.
Pick 959 or 475 for a newer code.
475 came in 2009 over the 203 area and 959 in 2014 over the 860 area, so each covers the same towns as the code under it.
People filed 377 FCC complaints about unwanted calls from Connecticut area codes in 12 months.
From October 2025 to September 2026, 377 unwanted-call complaints filed with the FCC gave a caller ID number that started with one of the Connecticut codes. 860 was named most, on 124 of them (33%).
- 377unwanted-call complaints named a Connecticut code
- 860was named on the most of them, 124
- 33%of the Connecticut complaints named 860
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
This is how you get a Connecticut number.
- 1
Start your free week.
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- 2
Type the code you picked.
Open Create a number, type the three digits and give the number a name.
- 3
Hand the number out.
Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
People ask these questions about Connecticut area codes.
More in the full FAQ.
203 and 475 both cover Stamford, along with Bridgeport, New Haven, Waterbury and Norwalk.
No. Hartford uses 860 and 959, and 203 covers the southwest of the state.
Connecticut has four area codes in service, by the numbering administrator's report of October 23, 2026: 203, 860, 475 and 959. They are listed in the order they opened, from 1947 to 2014.
The newest area code in Connecticut is 959, in service since 2014. 959 entered service in 2014, laid over 860 in Hartford and most of Connecticut.
A local call in Connecticut is dialed with ten digits, whichever of its four codes the number starts with. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 377 FCC complaints about unwanted calls from numbers that start with a Connecticut code. The codes named were 860 (124), 475 (111), 203 (83) and 959 (59). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in Connecticut. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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States next to Connecticut
More area codes
Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database (its report of October 23, 2026), and the complaints are the FCC's own.
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