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How to Confirm a Utility or Delivery Call Is Legit

July 28, 2026 by Jeremy Lindy

According to the Pew Research Center, 73% of American adults have experienced some kind of online scam or attack. Also, most get scam calls, texts, and emails at least weekly.

This can be concerning to hear, especially if you often get deliveries or need to have utility issues addressed. If you aren't able to determine whether contact is authentic or not, then it can be easy to fall to scams.

Here are the key ways to confirm whether a utility or delivery call is legit.

Use a Reverse Phone Number Lookup Before Calling Back

When you get an unexpected call, you should pause before sharing information or letting anyone into the property. A reverse phone number lookup can give you an initial clue about whether the number belongs to a legitimate organization. However, you shouldn't take it as definitive proof, as scammers can spoof caller IDs or use numbers that resemble real business lines.

The key things to check are:

  • The caller's name

  • Company

  • Stated purpose

After that, independently find the organization's official contact information.

Verify the Caller Through Official Channels

A legit utility or delivery representative shouldn't object when you independently verify their identity. Search for the company's official website yourself rather than click a link sent during the call.

Look for the customer service number and call it directly. If you're an apartment resident, you can also check the following for matching information:

  • Utility account

  • Delivery app

  • Recent email notifications

Ask the representative for a reference number, employee ID, work-order number, or delivery confirmation. Then, provide these details to the official channel for verification.

Check Your Building Portal Before Letting Anyone In

Apartment dwellers and doormen have an additional verification tool: the building's resident portal or management system. Before letting someone in, check whether the building has posted a service notice or scheduled an appointment. 

Your doorman can also contact property management, the superintendent, or the relevant resident using an established internal number. In addition, residents should confirm unexpected deliveries through their normal package-tracking system rather than rely solely on a caller's description. 

If there's no record of the visit, then treat the request as unverified until management confirms it.

Never Let a Surprise Caller Create the Deadline

Urgency is one of the easiest ways for a scammer to push someone into making a bad decision. A caller might claim that a technician is waiting downstairs or that a package will be returned immediately. 

You don't have to respond on the caller's schedule, though. Residents can say something like, "I don't make payments or provide information through unsolicited calls. I'll contact the company through its official number." Your doorman can also use a similar script, such as, "I can't grant access without confirmation from building management or a verified work order."

Watch for AI Voice Clones and Caller ID Spoofing

Modern scams can sound very convincing because fraudsters use AI-generated or cloned voices to imitate people, companies, or familiar contacts. So do note that a familiar voice or professional–sounding caller doesn't automatically prove authenticity.

Also, caller IDs can be spoofed, which means that the displayed number might look like it belongs to a utility provider, courier, or property management office, but it actually doesn't. So you should rely on information that's harder for an unexpected caller to control, such as:

  • Your official account

  • Building portal

  • Scheduled-service records

  • Package tracking

  • Independently sourced phone numbers

If something feels unusual, hang up and initiate a new call yourself.

Give Doormen and Residents a Simple Verification Routine

A consistent routine can make it easier to handle suspicious calls, especially when a doorman is managing deliveries and service providers for dozens of residents. First, they should record the caller's name, company, reason for calling, and any references. Also, don't provide passwords, security codes, payment details, or apartment access information.

Third, verify the claim through the building portal, management office, official company website, or a known phone number. Fourth, document suspicious calls so other residents or staff can recognize repeated attempts. Lastly, use a script, such as, "I'll verify this independently and contact you through the company's official channel if necessary."

Stay Safe From Scams

Criminals are only getting smarter, so you have to stay vigilant. It's vital to pause and evaluate the situation if you receive an unexpected call, as rushing can lead to mistakes.

Read more of our pages to find additional articles now.

July 28, 2026 /Jeremy Lindy
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