If you call back, the risk you face is that your phone will be connected to a phone number located outside the United States.

The new 621 area code will encompass the greater Houston metropolitan area and surrounding communities such as Baytown, ...

Attention East Tennesseans! You'll have to wait until the fall to get your hands on a new 729 area code. Here's what to know ...

Given below is the complete list of area codes in Thailand. The table below shows all the 79 area codes in Thailand. Thailand area codes usually have 1, 2 or 6 digits. While calling Thailand from ...

Given below is the complete list of area codes in Russia. The table below shows all the 222 area codes in Russia. Russia area codes usually have 3, 4 or 5 digits. While calling Russia from abroad, you ...

HOUSTON, Texas (KTRK) -- A launch date has been announced for the Houston area's newest area code. This is the first area code that's been added in 10 years. The area code 621 will officially join ...