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US area code · Connecticut

475 area code

Where the 475 area code is, its overlay and how to dial a +1 475 number from anywhere.

CoversConnecticutTime zoneEastern (ET)TypeOverlay
Quick answer

The 475 area code is in Connecticut, United States (Eastern (ET)). To call from abroad: +1 475 555-0123. It is an overlay, so all 10 digits are dialled.

StateConnecticut
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since04-Oct-1999

The 475 area code is a geographic North American Numbering Plan (NANP) code covering Connecticut. It has been in service since 04-Oct-1999 and sits in the Eastern (ET) time zone.

Overlay 475 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

475203

How to dial a 475 number

From abroad+1 475 555-0123
Within the US / Canada1 475 555-0123
Locally (same area)475 555-0123

Other Connecticut area codes

203860959

Frequently asked questions

Where is the 475 area code?

The 475 area code is in Connecticut, United States (Eastern (ET)).

Is 475 an overlay area code?

Yes. 475 overlays the same region as 203, so callers dial all 10 digits.

Do I have to dial 10 digits for 475?

Yes — dial the area code plus the seven-digit number.

How do I call a 475 number from another country?

Dial your exit code (or +), then 1, then 475, then the number: +1 475 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 475 number does not pinpoint a street or ZIP code.

Number holders in area code 475

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 304 prefixes are in use in 475, shared by 33 companies. The largest holders:

CompanyPrefixesShare
Onvoy, LLC6421%
Cellco Partnership Dba Verizon Wireless4715%
Omnipoint Communications, Inc.3913%
Bandwidth.Com CLEC, LLC186%
New Cingular Wireless PCS, LLC186%
Ton80 Communications, LLC176%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 475 numbers

Reports to the FTC, last 30 days
376
Recorded messages or robocalls
66%
Rank among area codes
#256 of 670
Most reported subjects
Other (121)
Dropped call or no message (99)
Reducing your debt (credit cards, mortgage, student loans) (81)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 475 — cities & rate centres

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