Reverse Phone Lookup: Delaware

How to Look Up a Delaware Phone Number

Got a missed call or a weird text from an unknown DE number? It's hard to know who is actually calling. Our database includes 95,312 FTC complaints filed by Delaware residents. Search results may include:

• Owner name and address (who the number belongs to)
• Location based on area code (the city or area where the line was registered)
• Spam and scam reports by users (if other people have flagged it as a nuisance call)

Phone Numbers Recently Reported for Spam Calls

Here are the top phone numbers recently reported to the FTC for making unwanted sales calls and robocalls (reported by local residents in the last 30 days):

Phone Number	Complaints to FTC	Last Reported
(877) 433-5938	5	May 21, 2026
(302) 343-4932	4	May 20, 2026
(302) 551-1491	3	May 21, 2026
(302) 375-2262	3	May 20, 2026
(302) 297-1689	3	May 20, 2026
(302) 343-5344	3	May 20, 2026
(302) 297-4329	3	May 20, 2026
(302) 343-4707	3	May 20, 2026
(855) 357-2205	3	May 9, 2026
(302) 551-1488	2	May 22, 2026

Monthly FTC Do Not Call & Robocall Complaints Volume

In April 2026, consumers from Delaware filed 509 complaints about unwanted phone calls and text messages, down 27% from the previous month. In 2024, Delaware residents filed 8,685 unwanted call complaints with the FTC, of which 3,417 were robocalls and 4,423 involved live callers. The most reported complaint topics were reducing debt (478), medical and prescriptions (405), imposters (355).

Red Flags: Active Phone Scams in Delaware

Active phone scams currently reported in Delaware:

• 72-Hour Legal Injunction Threat: Robocalls demanding a 'final statement for the record' within 72 hours before a civil complaint or injunction is filed 'in accordance with federal law'.
• JP Morgan Chase Fraud Impersonation: Callers spoofing Chase Bank, warning of a $1,700 computer purchase or a $9,500 loan by a 'David Garcia,' using real addresses to extract full SSNs.
• Misspelled 'Humanan Health' Medicare Spoof: Robocalls displaying misspelled caller IDs (e.g., Humanan) asking for dates of birth from seniors to discuss prescription plans and coverage changes.
• Abusive SSA/IRS Extortion: Relentless robocalls threatening arrest for SSN fraud, accompanied by live scammers using extreme profanity and sexual threats when confronted by the victim.

Phone Number Search by Area Code

Delaware area codes, coverage regions, and recent spam activity:

Area Code	Major Cities Covered	Lookup / Scams
302	Wilmington, Dover, Newark	302 Phone Lookup

Report Fraud and Stop Spam Calls

File a report with the following official agencies to flag unwanted calls or texts:

• Federal Trade Commission (FTC): Submit fraud complaints online at reportfraud.ftc.gov.
• National Do Not Call Registry: Register your number or report individual telemarketing violations at donotcall.gov or by calling 1-888-382-1222.
• Delaware Fraud & Consumer Protection Division: File a regional report directly with state authorities by calling (800) 220-5424.

Delaware Phone Numbers

Delaware has approximately 1.5 million active phone numbers. Mobile phones account for the majority with 1.18 million users. Traditional landlines are declining, with 54,000 connections statewide. Internet phone services account for about 290,000 numbers.

Voice Subscriptions (thousands)	June 2023	Dec 2023	June 2024
Mobile telephony	1,149	1,172	1,181
Local exchange telephone service	63	58	54
VoIP subscriptions	309	303	290
Total	1,521	1,533	1,525

Source: FCC Voice Telephone Services Report

The dominance of cell phones means that searching a phone number will likely return a mobile result. The decline of landlines suggests that tracing newer numbers might be more challenging compared to older landline numbers with more readily available public information.

Is Reverse Phone Lookup Legal in Delaware?

Yes. Delaware does not restrict the personal use of reverse phone lookup services. The state's 2025-effective privacy law gives residents meaningful rights to control their data held by lookup services. The Fair Credit Reporting Act (FCRA) prohibits using lookup results for employment, tenant, credit, or insurance decisions everywhere in the US. Delaware's state law layers additional rights on top.

Your Privacy Rights as a Delaware Resident

The Delaware Personal Data Privacy Act (DPDPA, Del. Code tit. 6, §§ 12D-101 et seq.) took effect January 1, 2025. Delaware's law stands out for its broad nonprofit coverage - unlike most state privacy laws that grant blanket nonprofit exemptions, the DPDPA covers nonprofits with only narrow carve-outs, similar in scope to California and Maryland. This matters for lookup services that may operate as or through nonprofit structures.

Delaware residents have 45 days to receive responses to access, correction, deletion, and portability requests. There is no small-business exemption, and the right to correct inaccurate data is included.

FAQs

How to opt out of phone number lookup services in Delaware?

Under the Delaware Personal Data Privacy Act (DPDPA), you can opt out of targeted advertising and request deletion of your personal details. Visit each reverse lookup site and use their opt-out form.

How to tell if a Delaware caller is a real business?

A phone number linked to a business name does not always mean the call is genuine. According to U.S. Census data, there are over 29,195 business establishments in Delaware. To confirm a specific company exists, search the Delaware Business Entity Search, the state’s official business entity registry.

What kind of phone numbers does Delaware have?

Delaware has 1.2 million mobile subscriptions, 290,000 VoIP numbers, and 54,000 landlines.