A local number. A little more freedom.
Get a 203
phone number.
A local number for New Haven, CT. Call and text over WiFi or mobile data, on the phone you already have.
- Calls and texts
- No extra SIM
- Location
- New Haven, Connecticut
- Time zone
- Eastern (GMT -5)
Where is area code 203 located?
Area code 203 is a Connecticut area code, serving New Haven, CT and nearby cities including Bridgeport, Stamford, Waterbury. It is in the Eastern (GMT -5) time zone.
Who is calling from area code 203?
A 203 call comes from a number assigned to the New Haven, CT area, which can be a mobile, a landline or an app-based number like AvoCall's. Caller ID can be faked from any area code, so if you don't know the number, let it go to voicemail and never share a code you didn't ask for.
How do I get a 203 phone number?
Pick an available 203 number and sign up for AvoCall. Your new New Haven, CT number works for calls and texts on your existing phone over WiFi or data. No second SIM is needed. Right now 20 numbers in the 203 area code are available on this page (checked October 11, 2026 at 8:21 AM UTC).
Find one that feels like yours
Choose a 203 number
20 numbers listed · Checked October 11, 2026 at 8:21 AM UTC.
- (203) 720-6269Naugatuck, CT
- (203) 599-4122Meriden, CT
- (203) 303-9335Wallingford, CT
- (203) 423-0656Wilton, CT
- (203) 713-9421Milford, CT
- (203) 303-9123Wallingford, CT
- (203) 347-4034Byram, CT
- (203) 347-4926Byram, CT
- (203) 871-0450Branford, CT
- (475) 286-0042Branford, CT
- (475) 242-9427Redding, CT
- (475) 550-3693Stamford, CT
- (475) 221-9070Branford, CT
- (475) 269-1643Huntington, CT
- (475) 900-0242Guilford, CT
- (475) 775-2029Meriden, CT
- (475) 245-0790Norwalk, CT
- (475) 550-3674Stamford, CT
- (475) 218-4782Danbury, CT
- (475) 219-8506Wolcott, CT
Every number requires an AvoCall plan. Current web pricing is verified at checkout, and number availability changes often.
About the 203 area code
Connecticut is home to area code 203, anchored by New Haven. Bridgeport, Stamford, Waterbury, and Norwalk are also inside its footprint, which sits in the Eastern time zone.
One of the first codes put into use in 1947, 203 once reached much farther across the state until 860 was split off. Today it is paired with 475 as an overlay, and dialing a local number takes all ten digits.
Dialing note: 203 is part of an overlay complex with 475, so local calls in this area are dialed with all ten digits.
Numbering details on this page (service dates and overlay status) are checked against the NANPA numbering registry. Registry data as of 10/08/2026.
203 phone number FAQ
- Can I receive verification codes on a 203 number?
- AvoCall 203 numbers support calling and messaging. Verification-text compatibility varies by sender; short-code and 2FA delivery is not guaranteed.
- Which 203 numbers are available right now?
- As of October 11, 2026 at 8:21 AM UTC, 20 203 numbers were available to claim on this page. Inventory is re-checked hourly and changes as numbers are claimed, and availability is confirmed at checkout. See the current list.