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Local 203 numbers

Get a 203 phone number for southwest Connecticut.

Ask for 203 when you create a number on ExpressNumber, and the number you hand out reads as New Haven, Bridgeport, Stamford and the rest of southwest Connecticut. Calls ring the phone you already carry.

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This is how you get a 203 number.

  1. Start your 7 days free and open Create a number.
  2. Type 203 as the area code and give the number a name.
  3. Hand it out. Calls ring the phone you already carry, and texts land in your inbox.
  4. Burn it in one tap when you are done. Calls and texts to it stop at once.
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People ask for 203 when the search is on the Connecticut shore or inland.

A summer rental in Milford or Fairfield draws calls from far away.

Put a 203 number on the listing, take the calls on your own phone and burn the number when the season is booked.

A resume sent to employers in Stamford, Norwalk and Greenwich gets passed around.

Give applications a 203 number. When you have accepted an offer, the other calls have nowhere to go.

An estate sale or a yard sale brings a crowd of questions.

Post a 203 number, set it to Texts only for the people who ask about every item and keep your own number out of it.

This is where a 203 number is from.

Area code 203 covers the southwestern part of Connecticut, mainly Fairfield County and New Haven County.

The numbering administrator names Bridgeport, New Haven, Stamford and Waterbury, and its rate center map adds Norwalk, Danbury, Greenwich, Milford, Meriden, Fairfield, Westport and Wallingford. The rest of the state has 860.

  • Bridgeport
  • New Haven
  • Stamford
  • Waterbury
  • Norwalk
  • Danbury
  • Greenwich
  • Milford
  • Meriden
  • Fairfield
  • Westport
  • Wallingford

These are the facts about area code 203.

From the public records of the body that runs US phone numbering, read October 21, 2026.

Place
Southwest Connecticut, Connecticut
In service since
1947
Local calls are dialed with
Ten digits
Shares its area with
475 (2009)
Codes split from it
860 (1995)

203 dates from 1947. In 1995 the rest of the state was split off as 860, and 203 was cut back to the southwest corner.

A second code, 475, was laid over the same area. The state regulator ordered the overlay on September 22, 1999, and it began a decade later: ten-digit dialing became mandatory across Connecticut on November 14, 2009, and 475 entered service on December 12, 2009.

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Then pick the plan that fits how many numbers you hand out.

Basic

7 days free

$9.99/mo

  • 5 numbers, one for each site, store or dealer
  • 100 forwarded minutes a month
  • Burn a number in one tap
  • Extra numbers $1 a month each
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Pro

7 days free

$29.99/mo

  • 100 numbers
  • 1,000 forwarded minutes a month
  • A number per vendor, client or listing
  • Extra numbers 50¢ a month each
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$0 today. Monthly plans, cancel any time.

People ask these questions about getting a 203 number.

More in the full FAQ.

Create a number in your dashboard, type 203 as the area code and give it a name, such as Summer rental. It is live in about a minute. You do not need to live in Connecticut: calls ring the phone you already carry.

Yes, for taking calls and texts. A wedding photographer, a house painter or a boat detailer in Fairfield County can put a 203 number on the website and the quote form, take the calls on their own phone and burn the number when the season ends.

Yes. The 203 area takes in Stamford, Norwalk, Bridgeport, New Haven and Waterbury. 475 numbers cover the same area, and Hartford and the rest of the state use 860.

No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.

You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.

More area codes

Every fact on this page comes from public numbering records.

The state, the dates and the related codes are rows of the North American Numbering Plan Administrator's area code database. The places are from its planning letters and the state’s own pages. Read October 21, 2026.

Put 203 on a number you can burn.

Hand out a number you can burn. Keep the one your family calls.

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