Area Code 520 Phone Number
for Your Business
Get a local 520 number for your business in Tucson, AZ. Cloud VoIP with SMS, an auto attendant (IVR), and more — starting at $30/ext/mo. No contracts.
What Is Area Code 520?
Area code 520 is a North American telephone area code serving Tucson, Arizona. It has been in service since March 19, 1995 and operates on Mountain Time. Businesses operating in the 520 area code region use local numbers to build trust with customers, improve answer rates, and establish a professional local presence.
With Zonitel, you can get a new 520 area code number or port your existing one with guided onboarding — no hardware required. Your team can make and receive calls from any device using the Zonitel mobile app or web portal.
Area Code 520 at a Glance
- Region
- Tucson / Southern AZ, Arizona
- In service
- Since March 19, 1995
- Time zone
- Mountain Time
- Overlay
- None — the only area code for its territory
- History
- Created on March 19, 1995 from area code 602
- Later split off
- 928 was created from 520's territory
- Telemarketing hours
- 8 a.m.–9 p.m. Mountain Time for residential numbers (TCPA, 47 CFR 64.1200(c)(1))
Why Your Business Needs a 520 Local Number
A local number tells customers you're part of the community. People in Tucson are more likely to pick up a call from a 520 number they recognize than from an unfamiliar out-of-area number.
Everything Included With Your 520 Number
Zonitel is not just a phone number — it's a complete cloud business phone system. Every plan includes:
Frequently Asked Questions About Area Code 520
What cities use area code 520?
Area code 520 serves the Tucson / Southern AZ area of Arizona. Cities in the 520 region include Tucson, AZ.
Is area code 520 an overlay?
No. 520 is not part of an overlay; it is the only area code serving its territory.
What time zone is area code 520 in?
Area code 520 is in Mountain Time. Telemarketing calls to residential 520 numbers are limited to 8 a.m.–9 p.m. Mountain Time under the TCPA (47 CFR 64.1200(c)(1)).
Can I get a 520 number for my business without moving there?
Yes. With Zonitel's cloud VoIP, you can get a 520 area code number regardless of where your business is physically located. This lets you establish a local presence in Tucson without a physical office.
Can I keep my existing 520 number and switch to Zonitel?
Yes. Number porting is free. Porting commonly takes 5–10 business days depending on your current carrier, and your old service stays active until the coordinated cutover.
How much does a 520 business phone number cost?
Zonitel plans start at $30/extension/month plus tax, with no setup fees and no contracts. Your 520 local number is included in the plan.
Get Your 520 Area Code Number Today
30-day free trial. No annual contract required. Guided onboarding.