Arizona · Area code
Area Code 520Tucson, AZ
Area code 520 is in Arizona, United States, and serves Tucson, Sierra Vista, Casa Grande, Nogales and Douglas and other places nearby. Its time zone is Mountain Standard Time.
Area code 520 at a glance
- Area code
- 520
- Main place
- Tucson, AZ
- State
- Arizona
- Country
- 🇺🇸 United States
- Country calling code
- +1
- Time zone
- Mountain Standard Time (America/Phoenix)
- Dial from abroad
- +1 520 XXX XXXX
- Dial inside the US and Canada
- 1 520 XXX XXXX
Cities and places in area code 520
The places phone numbers beginning 520 were issued in, the most common first.
- Tucson, AZ
- Sierra Vista, AZ
- Casa Grande, AZ
- Nogales, AZ
- Douglas, AZ
- Green Valley, AZ
- Ajo, AZ
- Benson, AZ
- Bisbee, AZ
- Coolidge, AZ
- Eloy, AZ
- Florence, AZ
- Huachuca City, AZ
- Marana, AZ
- Maricopa, AZ
- Oracle, AZ
- Pearce, AZ
- Sacaton, AZ
- Sells, AZ
- Sonoita, AZ
- Tombstone, AZ
- Willcox, AZ
Look up a 520 number
Enter a full number with area code 520: it shows the line type, place, network and time zone, and every way to write it. Free and private.
Area code 520: frequently asked questions
Where is area code 520?
Area code 520 is in Arizona, United States. It serves places including Tucson, Sierra Vista, Casa Grande, Nogales, Douglas, Green Valley, Ajo and Benson.
What time zone is area code 520 in?
Area code 520 is on Mountain Standard Time. A number with this area code can belong to someone living anywhere, so the time zone tells you where the number was issued rather than where the person is.
Which country is area code 520 in?
Area code 520 belongs to the United States, part of the North American Numbering Plan. Country code +1 is shared by the United States, Canada and many Caribbean and Pacific countries; the area code decides which one a number is in.
How do I call a 520 number from another country?
Dial your country's international access code (or press + on a mobile phone), then 1, then 520, then the seven-digit number: +1 520 followed by the number. Inside the United States and Canada, dial 1 and the ten digits.
Can I tell who is calling from an area code?
No. The area code only shows where a number was first issued. People keep their numbers when they move, mobile numbers work anywhere, and callers can disguise the number they call from. To see what the numbering plan says about a specific number, use the free phone number lookup.
What other area codes are in Arizona?
Other area codes in Arizona include 480, 602, 623 and 928.