Discovering the truth about a phone number, email, or address history can be eye-opening, please use this tool with caution.USA Area code 475 - New Haven, CT
Area code 475 is a North American Numbering Plan telephone area code serving Area codes for southwestern Connecticut in Connecticut. It was activated in 1947 .
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Who called me from area code 475?
A call from area code 475 most likely originates from New Haven or elsewhere in Connecticut - but caller ID spoofing means the area code alone cannot confirm who called. Right now, 25 475 numbers carry scam reports on this page. The only reliable way to identify the caller is to check the full 10-digit number:
- Run the number through the reverse phone lookup at the top of this page to see the owner's name, carrier, and location.
- Compare it against the recently reported scam numbers in 475 below.
- If the call was unwanted, report it to the FTC and use the report form on this page so other 475 residents see it.
Report a scam call from 475 Help other 475-area residents - takes 20 seconds, no signup
Reports are reviewed by our team before appearing on the page. The highest-reported numbers get added to the “Recently reported scam numbers” list above with a “community” badge.
Should I answer a call from a 475 number? Take the 30-second quiz - 5 questions, verdict + advice
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Next step: run a reverse-phone lookup on the number to see everything public about it.
Where is the 475 area code? Coverage map
The pin marks New Haven, the largest city served by area code 475. Zoom and pan to explore the coverage region.
Interactive map. Click a pin for city details. Data © OpenStreetMap contributors.
Cities in the 475 area code
Area code 475 serves the following 54 communities across 3 counties:
Area codes near 475 (overlay + neighboring)
If a caller ID shows one of these codes, the call is probably still from the New Haven area or a nearby region. Click any code to see its own page.
475 area code robocall complaints (FCC data)
Monthly count of FCC complaints tagged to numbers in area code 475 over the last 12 months.
Source: FCC Consumer Complaint Data (dataset vakf-fz8e). Data as of August 9, 2026. Refreshed monthly.
How 475 area code spam calls arrive
Based on 119 FCC complaints in the last 12 months, here's how 475 spam calls reached recipients:
FCC Consumer Complaint Data, last 12 months as of August 9, 2026. Refreshed monthly. Note: the FCC dataset labels method (Live Voice / Prerecorded / SMS) but does not classify scam type (IRS impersonation, tech support fraud, etc.) - those come from community reports.
Recently reported scam numbers in 475
Numbers reported to the FCC or by our community in the last 12 months. Click any to run a full reverse-phone lookup.
Source: FCC Consumer Complaint Data, last 12 months as of August 9, 2026. Refreshed monthly. Numbers submitted via the report form near the top of this page get added here with a “community” badge after moderation.
How to block 475 spam calls (by carrier)
Getting repeated spam calls from 475 numbers around New Haven, Connecticut? You can't legitimately block every 475 call without also missing legitimate ones from New Haven, Connecticut - so the practical fix is to turn on your carrier's free spam filter and register on the national do-not-call list. Step-by-step for each major US carrier below.
AT&T
- Download the free AT&T ActiveArmor app (iOS + Android).
- Sign in with your wireless number.
- Enable Fraud Blocking and Suspected Spam Warning.
- To block a specific number, tap the call in your history → Block.
Verizon
- Download the free Verizon Call Filter app (iOS + Android).
- Sign in with your Verizon account.
- Turn on Spam Filter.
- To block a specific number: My Verizon → Blocks → Add Number.
T-Mobile
- Download the free Scam Shield app (iOS + Android).
- Enable Scam Block (blocks known scam calls silently).
- Use Scam ID to see “Scam Likely” caller ID on suspicious numbers.
- To block a specific number, dial
#662#from your device.
All carriers
- Register on the FTC's National Do-Not-Call list.
- Report unwanted calls to the FCC at fcc.gov/complaints.
- On iPhone: Settings → Phone → Silence Unknown Callers.
- On Android: Phone app → ⋮ → Settings → Caller ID & spam.
Sources: carrier support pages (AT&T, Verizon, T-Mobile), FCC consumer guides. Free features as of 2026. Every one of these steps costs nothing.
History of the 475 area code
state of Connecticut. The numbering plan area (NPA) is mostly coextensive with the Connecticut portion of the New York metropolitan area, and comprises most of Fairfield County, all of New Haven County, and a small portion of Litchfield County.
475 area code FAQ: common questions
What area code is 475?
Area code 475 is a North American Numbering Plan area code that serves Area codes for southwestern Connecticut in Connecticut, primarily including New Haven and surrounding communities. It was activated in 1947.
Where does area code 475 cover?
Area code 475 covers Fairfield County, Litchfield County, New Haven County, including cities such as Fairfield, Sherman, New Haven, Litchfield, Woodbury, and roughly 49 other communities.
Is 475 a real area code or a scam?
475 is a real, actively-assigned US area code - not itself a scam. However, spammers do use 475 numbers because the code is well-known and appears local to millions of residents. Always verify the specific number, not the area code.
How do I block 475 spam calls?
You cannot legitimately block an entire area code without also blocking legitimate calls from New Haven. Better options: register on the National Do-Not-Call list, enable your carrier's spam-filter (all major US carriers now offer this free), and report unwanted calls to the FCC at fcc.gov/complaints so they show up in the trend data on this page.
What's the overlay area code for 475?
475 shares coverage with overlay code 203. That means new phone numbers issued in the same geographic area may have either area code, and 10-digit dialing is required.
Sources
Or explore reverse-phone lookup for any US number.