Area codes are a system of numbering used to identify a specific geographic region in the United States.
They are three-digit codes that are used to make telephone calls more efficiently and easily.
Area codes are also used to identify certain services such as pagers, fax machines, and internet services.
The use of area codes has become increasingly important as more technologies are developed.
What is Area Code 433?
Area code 433 is an unassigned area code in the North American Numbering Plan (NANP). It is not currently in use but it is available for non-geographic assignment.
433 Area Code State
The area code prefix 433 is not officially in use in the US. With that said, there is no US state attached to it.
What does it mean when you receive a phone call from a phone number with the area code 433?
As 433 is not part of the North American Numbering Plan, whenever you should receive a phone call from a number with the prefix 433, it is most likely a spam call, as numbers with the prefix 433, such as 433-xxx-xxx are not currently in use by the North American Numbering Plan (NANP).
Area Code 433 and the North American Numbering Plan (NANP)
The North American Numbering Plan (NANP) is a telephone numbering system used by the countries and territories that participate in the NANP.
It is the numbering plan for the Public Switched Telephone Network (PSTN) in the United States, Canada, Bermuda, the Caribbean, and some other countries and territories.
The NANP includes the area codes, central office codes, and subscriber numbers used to identify telephone numbers. However, area code 433 is not currently part of the NANP.
What about international calls from a 433 number?
There are no international phone numbers with the prefix +433. However, the country Austria has the prefix +43.
And you could possibly receive a call coming from +43 3XX XX XX. But in this case, the country code would simply be +43 and this would not exactly be area code 433.
Don’t confuse area code 433 with area code 443
Please double-check whether you are really looking for area code 433. A very similar area code is area code 443.
Unlike area code 433, area code 443 is indeed in use in the US. It is the area code for Eastern Maryland.
Frequently asked questions on “Area Code 433”
Who has area code 433?
The area code 433 is not currently assigned in the North American Numbering Plan. It is not in use in the United States at this current moment.
What state is area code 433 used in in the United States?
Area code 433 is currently not used in any state in the US. It is part of the North American Numbering plan but is currently unassigned.
Is Texas using the area code 433?
The area code 433 is currently unassigned. With that said, Texas is not using area code 433. In fact, area code 433 is not in use at all in the US.