Your card number is carefully structured. The very first digit is what’s known as the major industry identifier. A 4 means ...

Resetting a Kwikset lock involves removing the battery pack and holding down a button, while changing the code can be done ...

They are the five numbers that stand for home. Since 1963, ZIP codes have been a part of just about every piece of mail that travels through our system. But what do those numbers stand for?

The bad news? Mandatory ten-digit dialing (three-digit area code plus the seven-digit telephone number) will begin May 14 for Virginians living within the 540/826 regions.

The digits mattered because rotary telephones require longer rotations to enter “0” and other small numbers. The most populated regions, such as California, were assigned the area codes that ...

Those with the area codes 562, 626, 949 and 951 must dial all 10 digits when making calls beginning Sunday, Oct. 24, as part of a federal transition that will give the National Suicide Prevention a… ...