You've successfully subscribed to Project Hatch
Great! Next, complete checkout for full access to Project Hatch
Welcome back! You've successfully signed in.
Success! Your account is fully activated, you now have access to all content.
Success! Your billing info is updated.
Billing info update failed.

555 Area Code - Location, Time Zone. Toll Free? Scam? Who's Calling?

Richard Bagnell
Richard Bagnell
State United States and Canada
Timezone Unassigned
Is Area Code 555 Toll Free? No
Major Cities Des Moines, Sioux City, Los Angeles, Las Vegas, Iowa, Houston

To see a new area code pop up in your phone might be disturbing and alarming. Who is calling? Is this a scam? Where is it coming from? Calls from an unknown area code may lead to many questions and confusions. Here are some important things about a 555 number...

What is 555 number and what location is it coming from?

The 555 number is a central office code in the North American Numbering Plan. The 555 number has been used traditionally only for the provision of directory assistance when dialing (area code)-555-1212. The central office code is also used for fictitious telephone numbers in North American television shows, video games, and other media.

Where is 555 area code located?

The 555 area code is used in North America and operates most specifically to United States and Canada. The 555 area code operates in cities such as Des Moines, Sioux City, Los Angeles, Las Vegas, Iowa, Houston, and more, around the states that was mentioned above.

Are calls from 555 area code a scam?

It is normal to doubt an unknown number that appears in your device. 555 area code is used for directory assistance. Meaning it is used as a "leading part" of a group of thousands of telephone numbers for each numbering plan area (NPA)(area code). Example for this is 555-XXXX.

Around 1960s, the 555 prefix number was also used by the telephone companies to encourage the producers of television shows and movies to use 555 prefix for fictional telephone numbers.

However, if you received a call from area code 555, it is a spam call. Phone numbers 555-xxx-xxx does not exist in any area of the countries.

Are calls from 555 area code toll free?

The 555 number is used as directory assistance when dialed as (area code)-555-1212. If you call one of the 555 numbers, it would not reach an actual customer. On 2016, all 555 numbers was returned to the NANPA inventory, except for 555-1212 as it is use as directory assistance and 555-4334 (national use assigned). Any calls from 555 area code is not toll free.

How do I block unwanted calls from 555 number?

If you received calls from 555 number, thinking it could be from a scammer and would want to block it, here's how you can block them:

For iPhone users

  • Go to your recent calls and tap "i" with a circle around it
  • Scroll down to see the "block this caller", and just tap it

For Android users

  • The process is quite the same with the iPhone users, just go to your recent calls and tap "details"
  • Tap the "block this caller" to completely block the number

How can I get an 555 number?

The 555 number is intended only for the used as directory assistance and as for fictitious telephone numbers in North American television shows, movies, and video games. The 555 number is not available for personal use.


The 555 number is intended only and used for directory assistance and fictitious telephone numbers for North American television shows, and other medias. The 555-1212 is one of the standard numbers for directory assistance in countries United States and Canada.


As an Amazon Associate we earn from qualifying purchases.