Detailed Lookup for 203, 860, 475, 959
Detailed Lookup for 203, 860, 475, 959
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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 list of Connecticut area codes:
- 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
Overlays 475 and 959 were added in 2009 and 2014 respectively due to increased demand from mobile and VoIP numbers.
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
Receiving a call from 860 or 203? Use a phone number lookup tool.
Setting Up a Virtual Connecticut Phone Number
Choose a provider that offers reliable VoIP and virtual number setup.
Check out virtual number services from Bling.
Benefits of a Connecticut VoIP Phone System
Perfect for startups and small businesses looking to expand into the Connecticut market.
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 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
If you receive a suspicious call from 475 or 959, be cautious and validate using number lookup tools.
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 check here 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?
However, like any area code, it can be spoofed by scammers.
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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