Let’s start with something everyone in Puerto Rico has thought at least once: “ Why is calling the US from Puerto Rico still so confusing? Aren’t we the same country? You grab your phone to call a friend studying in Florida, your cousin working in New York, or a customer service hotline on the mainland… and suddenly your mobile carrier decides to behave like you’re making an international call. You get warnings. Confusing pop-ups. Maybe even unexpected charges later. And that’s frustrating. Because the truth is, Puerto Rico is part of the United States. Calling mainland America from Puerto Rico should be as easy as calling next door. Yet it doesn’t always feel that way. In this guide, we’ll break down why something so simple can still feel like a puzzle and introduce you to the easiest upgrade you’ll ever make to your phone’s calling experience.

Ready? Let’s dial in.

Manual Way of Calling the US from Puerto Rico

Let’s start with the basics, because technically, nothing about calling mainland US numbers from Puerto Rico is international. Puerto Rico sits in the same:

So if you were typing out the rule in one neat line, it’s simply:

That’s it. Done. Finito.

There’s no need for special exit codes. No +011 anything. No international long-distance nonsense. In theory, calling the United States from Puerto Rico should always be local. But you already know there’s a twist here. Because if that was the end of the story, no one would be Googling “how to call the US from Puerto Rico.”

Why Calling the USA From Puerto Rico Still Feels Expensive and Complicated

Let’s get real about why people end up confused and annoyed.

Here are the kinds of “Why does this keep happening?” moments users deal with:

Unexpected Charges

Carriers often apply higher rates once roaming toggles on or if your SIM is registered as non-US. A short three-minute call suddenly shows up as a few dollars. You pay without even knowing why.

Roaming Without Warning

You move around, switch SIMs, or travel back and forth from the mainland United States, and your network automatically flips into roaming mode. You only realize it later when the bill arrives.

No Reliability in Wi-Fi Calling

Apps like WhatsApp require both people to be online and connected. If the person on the other side has weak internet wifi calling or does not use that app, your call fails immediately.

Poor Call Quality

Lag, Echo, Call drops. These make meaningful conversations impossible. It is even worse during important work calls or emotional moments with loved ones.

Complexity of Switching Between Tools

Some contacts are on Wi-Fi apps. Others are only reachable on traditional phone lines. You spend more time figuring out how to call than making the actual call. All of this makes calling the US from Puerto Rico feel like a puzzle that is not worth solving.

But it should be simple. And it can be.

Slick: The Best and Cheapest Way to Call the US From Puerto Rico

What if you could call any US number easily without tracking minutes or checking call charges every time?

That is what Slick does for you.

Unlimited Calls to the US for Only $2 per Month

For the price of a cup of coffee, you can make unlimited calls to any US mobile or landline number. There are no surprise costs. No guessing games. If you regularly call the United States, this plan practically pays for itself on your first few calls.

Call Anyone, Even If They Are Offline

Slick is not limited to app-to-app calling. You can call:

Crystal Clear Call Quality

Slick uses advanced calling technology that focuses on clarity. Conversations feel like both people are sitting in the same room. No cutting. No delays.

Simple and Secure

Setup takes less than a minute. And every call is protected with end-to-end encryption. Your conversations stay private and safe.

One App for All Communication Needs

Along with calling the US, Slick helps you with:

Everything you need is in one place. No switching between multiple apps

Frequently Asked Questions:

Below is the step-by-step process to use the Slick app for calling the United States of America from Puerto Rico:

That is all. No settings to tweak. No country codes to remember.

Strong connections bring people closer. Slick makes sure you can call your loved ones or business contacts anytime without thinking twice. Stay connected. Stay stress-free. Start calling the US from Puerto Rico the smart way. Try Slick today.

No. Puerto Rico and the US share the same country code, which is 1. You dial like a normal domestic call. The only catch is that some carriers still charge international rates, which is confusing.

No extra codes are required. Just dial:

This connects you to any US landline or mobile number instantly.

Roaming depends on your carrier and SIM configuration. Some treat Puerto Rico as a separate zone. That is how unexpected fees show up, even for short calls.

Yes, absolutely. And if you use Slick, you can call landlines and mobiles even if the other person has no internet or the app installed. It keeps communication simple.

Slick’s Unlimited US plan for $2 per month is the most cost-efficient. You pay once and call as many times as needed with no surprise billing.