CONNECTICUT AREA CODES

Connecticut Area Codes

Connecticut Area Codes

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Connecticut Area Codes: A Complete Guide

If you're trying to understand area codes in Connecticut, you're not alone.

Map of Connecticut Area Codes

Connecticut Area Code Map

What Are the Area Codes in Connecticut?

Here’s a detailed look at the list of Connecticut area codes:

  • 203: Original area code, covering cities like New Haven, Stamford, and Bridgeport
  • 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 buy CT area code number 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

A virtual number with a 203 or 860 area code can improve trust and conversions.

Check out CT virtual numbers 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

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

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.


We hope this guide helps you navigate Connecticut area codes better.

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