GREENWICH, Connecticut Phone Lookup
Find the owner of any phone number in GREENWICH, Connecticut.
What Phone Numbers Are in GREENWICH, Connecticut?
Looking up a phone number in GREENWICH, Connecticut? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. GREENWICH is served by 2 area codes and has 46 active phone prefixes.
Area Codes Serving GREENWICH
Phone numbers in GREENWICH, Connecticut use the following area codes: 203, 475.
Top Phone Carriers in GREENWICH
The most common phone service providers in GREENWICH include:
- Onvoy, Llc - Ct
- Ymax Communications Corp. - Ct
- Verizon New York, Inc.
- Cablevision Lightpath, Inc. - Ct
- Tc Systems, Inc. - Ny
Data current as of February 2026
Nearby Cities in Connecticut
Other cities in Connecticut that share area codes with GREENWICH:
GREENWICH at a Glance
Demographics
- White 65.5%
- Black 6.5%
- Hispanic 16.1%
- Asian 6.1%
- Other 5.8%
Financial Profile
Frequently Asked Questions
What Area Codes Serve GREENWICH, Connecticut?
Phone numbers in GREENWICH, Connecticut use 2 area codes: 203, 475. These area codes are shared with other cities in the region. GREENWICH has 46 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.
How Do I Look Up a Phone Number in GREENWICH, Connecticut?
To look up any phone number in GREENWICH, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 2 area codes serving GREENWICH and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.
What Types of Phone Numbers Are in GREENWICH?
GREENWICH, Connecticut has both wireless and landline phone numbers. Approximately 5% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 95% being landline or VoIP. Major carriers serving the area include Onvoy, Llc - Ct, Ymax Communications Corp. - Ct, Verizon New York, Inc.. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.