A postal code is a five digit code used to help postal services deliver mail and packages. Here's what the numbers mean and how they determine yours.

DC will be transitioning to a new area code, 771, after reaching a capacity for 202 numbers. Many on social are wondering if this means they need to change numbers.

Your credit card's security code is a three- or four-digit number that helps protect you against credit card fraud. Learn how to find it and why it's important.

Why do you need a WhatsApp verification code? Number verification is one of the multiple security measures implemented by WhatsApp to protect the privacy of its users. Through the six-digit code that ...

A routing transit number (RTN) is a unique nine-digit numerical code used to identify a physical bank, digital bank, or other financial institution.

SPOKANE, Wash- The next time you get a phone call from a 564-area code don’t hang up. That phone call is coming from the west side of the state.

The area code 202 is synonymous with D.C. — it’s been the District’s sole area code for more than 70 years. But come 2022, when new phone numbers are forecast to run out, there’ll be a new ...

A number with a 212 NYC area code is a badge of honor that bestows “old New York” authenticity. But why were those three numbers chosen?

A new area code is coming to the Hudson Valley. The supply of 845 telephone numbers will be exhausted by 2023, prompting the approval for new three-digit start for calls.