Frequently Asked Questions
What is an area code?
An area code is a three-digit number that identifies a specific geographic region in the North American Numbering Plan. It's the first three digits of a 10-digit phone number.
How do I find out where an area code is from?
Use our area code finder tool by entering the three-digit code. You'll see the state, cities, time zone, and other details about that area code.
Can area codes cross state lines?
Generally, area codes don't cross state lines, but there are exceptions. Some area codes serve multiple states in border regions.
Why am I getting calls from unknown area codes?
Unknown calls can be from telemarketers, scammers, or legitimate businesses. Use a reverse phone lookup service to identify the caller before answering.
Are toll-free numbers considered area codes?
Toll-free numbers (800, 888, 877, 866, 855, 844, 833) are not traditional area codes as they don't represent geographic locations.
How many area codes are there in the United States?
There are over 300 geographic area codes in the United States, with new codes being added as phone numbers in certain regions run out.
Do cell phones keep their area code when moving?
Yes, with number portability, you can keep your phone number and area code even when moving to a different state or region.
What does it mean when an area code overlays another?
An overlay occurs when a new area code is added to serve the same geographic region as an existing code, requiring 10-digit dialing for all calls.
Still Have Questions?
Can't find the answer you're looking for? Use our area code search tool to find detailed information about any U.S. area code.
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