Detailed Lookup for 203, 860, 475, 959
Detailed Lookup for 203, 860, 475, 959
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Connecticut Area Codes: What You Need to Know About 203, 860, 475, and 959
If you're trying to understand 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 Northern and Eastern regions
- 475: An overlay to 203, implemented in 2009}
- 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
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
These tools help you identify the origin of any number in Connecticut.
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
VoIP systems allow you to use a Connecticut area code from anywhere in the world.
Explore VoIP systems for Connecticut 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
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
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?
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?
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.
Whether you're in Stamford or Hartford, or managing calls from when did 959 area code start out-of-state, a local number improves credibility and reach.
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