To fix an Excel spreadsheet not adding up correctly, check the SUM function's syntax and make sure there aren't any text format cells in the sheet.

The 761 area code will join 502 to provide numbers in north-central Kentucky, including Louisville, as 502 nears its limit, ensuring coverage for 30 years.

The Louisville region is getting a new area code to go along with Kentucky's existing five area codes.

The new 761 area code will overlay Kentucky's 502 region, including Louisville and Frankfort, starting in 2027 as it faces phone number shortages.

Learn about the 402 area code and how it is used in the state of Nebraska. Look up numbers, check the time zone, understand overlays, and find out how to get your own number in the 402 area code.

Everyone with a 559 area code will have to dial differently on all calls, even those in the same area. Here’s how to make sure your call goes through.

Once new phone numbers for the 912 area code have been exhausted, some new users will be assigned the 565 area code. The 912 area code will remain in use, with phone customers currently using 912 ...

Discover where the 424 area code is used in Los Angeles, California and beyond. Look up numbers, check the time zone, and find helpful call info.

Central Kentucky's signature 502 area code could soon run out of available phone numbers, and locals have mixed opinions about it.

There is a new phone area code being added to British Columbia this weekend, joining the five others in the province. The new code is 257, and it will join the existing 236, 250, 672, 778 and 604 ...

In 2014, they overlaid the 364 area code on top of the 270 area code in western Kentucky. There are other ways to solve the phone number shortage. A geographic split would break up the 502 area: one ...

Next month, area code 564 will be added to cover Western WA to offset area code 206. If you have a 509 area code and live in Eastern WA, a new area code *might be* arriving sometime soon.