CONNECTICUT AREA CODES

Connecticut Area Codes

Connecticut Area Codes

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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

Connecticut Area Code Map

What Are the Area Codes in Connecticut?

Here’s a detailed look at the area code breakdown:

  • 203: Original area code, covering Southwestern Connecticut
  • 860: Created in 1995 to serve Northern and Eastern regions
  • 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

To avoid splitting cities into new area codes, overlays like 475 and 959 allow new numbers in the same region.

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

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

They offer features like call recording, call forwarding, voicemail to email, and more.

Explore VoIP systems for Connecticut 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 Connecticut business number. 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 website 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 back to 1947.

Q2: Why were 475 and 959 created?

To handle number exhaustion in their respective regions.

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.


We hope this guide helps you understand and use Connecticut area codes better.

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