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Connecticut Reverse Phone Lookup

Identify who called from any unknown Connecticut landline or cell phone number using our free reverse phone lookup service. Enter a phone number above, click search, and get the caller's name, address, phone carrier, and other details.

ThisNumber database includes over 28 million name and address records for about 23 million United States phone numbers. Stop wondering who called you. Identify the unknown callers, verify Connecticut businesses, or research potential scam calls.

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Jump to: Area Codes Phone Books

Identify Phone Number Location Using Connecticut Area Codes

To identify the location of an Connecticut phone number, you need to understand the North American Numbering Plan (NANP) structure that all Alabama numbers follow: +1 NPA NXX XXXX.

  • +1 - Country code indicating the United States
  • NPA - The area code reveals the geographic region where the number was originally assigned
  • NXX - Central office code that locates the specific neighborhood and identifies the service provider
  • XXXX - Subscriber number identifies the individual phone line within that local exchange

The area code (NPA) is your key to determining location. By matching the three-digit area code to Connecticut's regional assignments, you can identify which part of the state the phone number originates from. Each area code corresponds to specific cities and counties throughout Connecticut, making it possible to narrow down the caller's general location.

Here's a complete list of Connecticut area codes with major cities:

Area Codes Cities
203/475Bridgeport, New Haven, Stamford
860/959Hartford, New Britain, West Hartford
Connecticut Area Code Map with Cities

For latest Connecticut phone numbering regulations, contact Quat Nguyen at the Connecticut DPUC via [email protected] or 860-827-2696.

Connecticut Phone Numbers

Connecticut has approximately 5.5 million active phone numbers. Cell phones dominate with 4.3 million users, while traditional landlines are declining with about 212,000 connections statewide. Internet phone services account for roughly 991,000 numbers.

Consequently, tracing a Connecticut phone number is most likely to lead to a cell phone. The diminishing presence of landlines suggests that newer numbers may be more challenging to trace compared to older landline numbers, which often had more accessible public information.

Connecticut Voice Subscriptions (in thousands):

Service Type June 2023 Dec 2023 June 2024
Mobile telephony 4,207 4,272 4,307
Local exchange telephone service 282 232 212
VoIP subscriptions 1,003 964 991
Total 5,492 5,468 5,510

Source: FCC Voice Telephone Services Report

Top 5 US Cell Phone Companies

Most phone numbers are cell phones, and most cell phone numbers come from the top three United States wireless companies. Here are the top five US Cell Phone Companies in Q1 2025:

  • Verizon - 146 million customers
  • T-Mobile US - 131 million customers
  • AT&T Mobility - 118 million customers
  • Boost Mobile - 7 million customers
  • U.S. Cellular - 4.4 million customers

Robocalls and Unwanted Calls in Connecticut

Connecticut residents filed 23,048 unwanted call complaints in fiscal year 2024, ranking the state #17 nationally for complaints per 100K population, according to the latest National Do Not Call Registry Data Book. Connecticut has a high number of active registrations, with 3,405,203 numbers listed on the Do Not Call Registry, ranking the state #2 nationally for registrations per 100K population.

Do Not Call Complaints from Connecticut

Key Facts for Connecticut Residents:

  • 11,586 of Connecticut's 23,048 complaints involved automated robocalls.
  • 1,645 complaints were for fraudulent "reducing debt" schemes, followed by medical and prescriptions (1,184) and imposter scams (874).
  • Over 3.4 million Connecticut residents have registered their numbers on the Do Not Call Registry.
  • Complaints have fluctuated over the past few years, peaking at 61,661 in 2021 and then decreasing to 23,048 in 2024.
  • 8,342 complaints involved live callers, indicating that human-operated scam operations continue actively targeting the state.
  • 3,120 complaints involved call types that were not reported by the consumers.
Useful tip: Protect your household by registering all your phone numbers at donotcall.gov or by calling 1-888-382-1222 from the number you want to protect.

Verify Phone Number Owner to avoid Scam Calls Connecticut Fraud Statistics

According to the Federal Trade Commission's 2024 data, phone calls and text messages make up 35% of all fraud contact methods nationwide:

  • Phone calls: 19% of fraud reports (284,659 reports, $948M in losses)
  • Text messages: 16% of fraud reports (246,784 reports, $470M in losses)

More than 1 in 3 fraud attempts happen through phone communication. Phone call fraud costs victims a median of $1,500 per case. Text message fraud costs a median of $1,000 per victim.

Scam Calls: Connecticut Fraud Statistics

In 2024, Connecticut residents reported 20,825 fraud cases resulting in total losses of $90,349,831, with a median loss of $432 per victim. With phone-based fraud representing such a significant portion of these cases, phone owner verification has become a critical consumer protection tool.

When you receive calls from unknown numbers, take a moment to research the caller's identity. Reverse phone lookup services allow you to search a phone number to find information about who's calling—including whether the number has been reported for fraudulent activity.

Received fraudulent calls or fallen victim to phone fraud? Report it immediately. Each report helps authorities identify fraud patterns and protect other consumers from similar scams.

To report fraud or scam: reportfraud.ftc.gov

Additional Contact:
Connecticut Attorney General
William Tong
(860) 808-5318

Other Connecticut Phone Number Search Methods

Sometimes, a reverse phone lookup doesn't give you all the information you need about a Connecticut phone number. In these cases, you can try other search methods to find out who owns the number. With a population of 3,675,069 and 89,293 business establishments in Connecticut, finding the owner of a phone number can sometimes require a few different approaches.

Social Media Phone Number Searches

Social media can be helpful for identifying a Connecticut phone number, especially if it's linked to a personal profile. For example, if you're meeting someone new and want to verify their phone number legitimacy, social media might help.

  • Facebook: Try searching the phone number in the Facebook public directory. Even if the profile isn't completely public, you might find a name or other information.
  • LinkedIn: If you suspect the number belongs to a professional, search for it on LinkedIn's people directory. Given Connecticut's large number of businesses, this can be particularly useful for identifying business contacts.

Connecticut Business Phone Verification

If you think the phone number belongs to a Connecticut business, you can use official state resources to verify it. This is particularly helpful if you're considering business partnerships with Connecticut companies.

For the best results, it helps to use these methods together.

Are Reverse Phone Lookups Legal in Connecticut? Your Privacy Rights Under CTDPA

Yes, reverse phone lookups are generally legal in Connecticut, but your personal data is now protected under the Connecticut Data Privacy Act (CTDPA), which gives you significant rights to control how companies collect, use, and share your phone number and related personal information.

What Phone Data is Protected Under Connecticut Law?

The CTDPA defines personal data as "any information that is linked or reasonably linkable to an identified or identifiable individual." This includes your phone number when combined with other identifying information. The law provides extra protection for "sensitive data," which includes precise geolocation data that could be obtained through your phone.

However, the law doesn't apply to all organizations. It covers businesses that conduct business in Connecticut or target Connecticut residents and either:

  • Process personal data of 100,000+ consumers annually
  • Process data of 25,000+ consumers and derive 25% or more revenue from selling personal data

Your Consumer Rights Under the Connecticut Data Privacy Act

Connecticut residents have five key rights regarding their personal data, including phone numbers:

  1. Right to Access: Request what personal data a company has collected about you
  2. Right to Correct: Fix inaccuracies in your personal data
  3. Right to Delete: Request deletion of your personal data, including data collected from third parties
  4. Right to Data Portability: Get a copy of your data in a portable format
  5. Right to Opt Out: Stop companies from using your data for targeted advertising, sales, or profiling

How to Exercise Your Privacy Rights

Timeline: Companies must respond to your requests within 45 days of receipt.

Cost: You can request information from a company free once every 12 months. Beyond that, they may charge an administrative fee.

Appeal Process: If a company denies your request, you have the right to appeal. The company has 60 days to respond to your appeal and must provide information on how to contact the Attorney General if they deny your appeal.

Universal Opt-Out: As of January 1, 2025, Connecticut residents can use opt-out preference signals (like Global Privacy Control) through privacy-protective browsers to automatically tell websites not to sell or use their data for targeted advertising.

Enforcement and Violations

Who Enforces the Law: The Connecticut Attorney General has exclusive enforcement authority under the CTDPA.

Private Lawsuits: No, the law does not provide a private right of action for consumers. Only the Attorney General can take enforcement action.

Penalties: Companies that violate the CTDPA face fines up to $5,000 per willful violation under the Connecticut Unfair Trade Practices Act. The Attorney General can also seek injunctive relief and restitution.

Cure Period: Until December 31, 2024, companies receive a 60-day notice to fix violations. Starting January 1, 2025, the Attorney General may take immediate enforcement action without offering a cure period.

Bottom Line

While reverse phone lookups remain legal in Connecticut, the CTDPA gives you powerful tools to control your personal information. You can request deletion of your data, opt out of data sales and targeted advertising, and file complaints with the Attorney General if companies don't comply. The law is actively enforced, with the AG's office having issued over a dozen violation notices to companies since the law took effect in July 2023.

For more information about your rights under the Connecticut Data Privacy Act, visit the Connecticut Attorney General's office, the FTC's guide on data brokers, and the International Association of Privacy Professionals' state law comparison.

Phone Lookup Results May Include Available Information On:

  • Owner's Name
  • Current Address
  • Current Location
  • Family Members
  • Social Media Profiles
  • Images and Videos
  • Address History
  • Phone Type
  • Phone Carrier
  • Public Records
  • And Much More!

Reverse Phone Lookup by State