Phone Guides
How Area Codes Work in the United States
A plain-English look at the three digits that start every US phone number, how they are organized, and why the system keeps adding new…
Category: Phone Guides
Phone Guides
What Is an Overlay Area Code and Why Does It Exist?
An overlay adds a new area code to the same territory as an existing one, and this guide explains why that happens and what…
Phone Guides
Toll-Free Numbers Explained: 800, 888, 877, 866, 855, 844 and 833
Toll-free numbers such as 800 and 888 are not tied to any city, and this guide explains who pays, how they differ and how…
Phone Guides
How to Look Up Any Area Code in Seconds
Find out where an unfamiliar area code comes from in seconds, with simple steps, tips for reading the results, and a reminder of their…
Phone Guides
What Is 10-Digit Dialing and When Do You Need It?
Ten-digit dialing means entering the area code on every call, and this guide explains when it is required and how to prepare your phone…
Phone Guides
What Does the +1 Country Code Mean?
The +1 country code is shared by the United States, Canada and many Caribbean nations, and this guide explains how it works when you…
Phone Guides
The North American Numbering Plan (NANP) Explained
The shared system behind US, Canadian and Caribbean phone numbers is explained here, including its structure, its history and how new codes are managed.
Phone Guides
Can You Keep Your Area Code When You Move?
Learn whether you can keep area code when you move, how mobile, landline and internet numbers differ, and options if you want a local…
Phone Guides
What Is an Area Code Split?
An area code split divides a busy phone region into two parts, giving one a new code, and this guide explains how it works…
Phone Guides
How to Call the United States From Another Country
A simple walkthrough for dialing the United States from overseas, covering the exit code, country code, area code, time zones, costs, and easy alternatives.
Phone Guides
What Is a VoIP Number and Does It Have an Area Code?
A VoIP number works over the internet and does come with an area code, but its code may not match where you live; this…
Phone Guides
How to Choose a Business Phone Number and Area Code
Choosing a business phone number and area code affects trust and memorability, and this guide compares local, toll-free, vanity and VoIP options with practical…