Connecticut Area Codes
Connecticut Area Codes
Blog Article
Connecticut Area Codes: What You Need to Know About 203, 860, 475, and 959
Wondering what area code 203 or 860 means? This guide has all the details.
Map of Connecticut Area Codes

What Are the Area Codes in Connecticut?
Here’s a detailed look at the area code breakdown:
- 203: Established in 1947, covering cities like New Haven, Stamford, and Bridgeport
- 860: Created in 1995 to serve Hartford, New London, and Waterbury
- Covers the same region as 203}
- Introduced in 2014 to support growing demand}
Which Cities Use Each Area Code?
Here’s how the area codes are distributed across Connecticut cities:
203 and 475 Area Codes
- Stamford
- Bridgeport
- New Haven
- Norwalk
- Danbury
860 and 959 Area Codes
- Hartford
- New Britain
- New London
- Middletown
- Manchester
History of Connecticut Area Codes
Originally, all of Connecticut was served by area code 203.
More historical details can be found on Wikipedia's area code page.
Why Connecticut Uses Overlay Codes
This requires 10-digit dialing, but it’s a more user-friendly approach for residents and businesses.
Learn more about 10-digit dialing from the FCC guide.
How to Identify a Connecticut Phone Number
These tools help you trace the caller of any number in Connecticut.
Setting Up a Virtual Connecticut Phone Number
Need a local presence in Connecticut without being physically there?
Check out virtual number services from Bling.
Benefits of a Connecticut VoIP Phone System
They offer features like call recording, call forwarding, voicemail to email, and more.
Explore Connecticut VoIP calling tools that support 203, 860, 475, and 959 numbers.
Getting a Business Phone Number with a CT Area Code
It gives you credibility, local identity, and helps build customer trust.
Start by selecting a provider like Bling to get a CT number for your business. Learn more website at this page.
Complete Business Phone System in Connecticut
Running a business in Connecticut?
Set up a complete business phone system in Connecticut with Bling Cloud’s scalable solution.
Spam & Robocalls from CT Area Codes
Spam and robocalls are a growing issue across all states including Connecticut.
Block scam calls using CallBlocker or read NANPA updates for changes to Connecticut codes.
Video: How Area Codes Work
Watch this YouTube video on how area codes are assigned and why overlays matter.
FAQs About Connecticut Area Codes
Q1: What is the oldest area code in Connecticut?
203 was the first and only area code until 1995.
Q2: Why were 475 and 959 created?
They are overlays for 203 and 860, respectively.
Q3: Do I need to dial all 10 digits in Connecticut?
Yes, because of the overlay system, 10-digit dialing is mandatory for all local calls in Connecticut.
Q4: Can I choose my area code when getting a new number?
Yes, many VoIP and virtual providers let you pick from 203, 860, 475, or 959.
Q5: Is 959 a real area code or a scam?
959 is a valid area code in Connecticut used since 2014.
Whether you're in Stamford or Hartford, or managing calls from out-of-state, a local number improves credibility and reach.
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