Connecticut Area Codes: A Complete Guide
If you're trying to figure out area codes in Connecticut, you're not alone.
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
- 475: An overlay to 203, implemented in 2009}
- 959: Overlay for 860}
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 CT virtual numbers 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
Whether you're launching a new business in Stamford or Hartford, having a local number matters.
Start by selecting a provider like Bling to get a CT number for your business. Learn more at this page.
Complete Business Phone System in Connecticut
Local and toll-free numbers, combined with AI features, ensure top-tier customer experience.
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?
The 203 area code is the original, dating back to 1947.
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?
Some mobile carriers also offer this option during signup.
Q5: Is 959 a real area code or a scam?
959 is a valid area code in Connecticut used since 2014.
We hope this guide helps you understand and use Connecticut area history of Connecticut area codes codes better.