Anchor your business in Tucson's defence and research economy with a 520 virtual number — the primary code serving Raytheon Missiles, Davis-Monthan AFB, and the University of Arizona's research campus. Activate in seconds.
Area code 520 covers Tucson and Southern Arizona — Pima, Santa Cruz, Cochise, and Graham counties. Tucson's economy is anchored by two distinctive pillars: defence and research. Raytheon's Missile Systems division, headquartered in Tucson, is the country's leading manufacturer of tactical missiles. Davis-Monthan AFB houses the Air Force's massive aircraft boneyard — the world's largest military aircraft storage facility — and the 355th Wing's electronic warfare mission. The University of Arizona's flagship campus is a Carnegie R1 research institution with particular strength in astronomy, optics, and biosciences. Tucson is also the gateway to Arizona's border economy with Mexico.
From Tucson to Green Valley 520 covers the Southwest region of Arizona.
Raytheon's Missile Systems division, headquartered in Tucson, is the US's leading tactical missile manufacturer. A local 520 number positions defence technology and engineering vendors directly in Raytheon's procurement zone.
D-M AFB's aircraft storage and reclamation operation is the world's largest military aircraft depot, and the 355th Wing's electronic warfare mission makes Tucson critical to US defence readiness. A 520 number signals local presence to DMAFB's contractor community.
UA's main campus is a major research university with particular strength in optics, astronomy, and biosciences. The UA Tech Park hosts dozens of tech companies that commercialise university IP. A 520 number is essential for academic vendors and research services firms.
Tucson's proximity to Nogales, the busiest US-Mexico land port for fresh produce, and to Sonora's manufacturing corridor makes a 520 number essential for cross-border logistics, customs, and international trade businesses.
Every 520 number includes fourteen professional tools for Tucson's defence-and-research economy — compliance recording for Raytheon's classified programme requirements, 24/7 routing for Davis-Monthan AFB's continuous operations, and IVR for the University of Arizona's research and technology park community.
Redirect every call to any device — mobile, desk phone, or laptop. Set rules by time, caller, or team.
Four steps. Five minutes. No technical setup, no hardware required.
Search 520 numbers by Tucson, Green Valley, or Sierra Vista prefix — or port your existing southern Arizona number for free.
Pick a plan for your Tucson team — Raytheon engineering vendor, Davis-Monthan contractor, or University of Arizona research partner, every feature included.
Configure your 520 line with Mountain Standard Time routing — Arizona does not observe daylight saving — for Raytheon's defence schedule and UA's academic calendar.
Receive 520 calls anywhere — Raytheon's supplier network, DMAFB's contractor community, and Tucson's business corridor all see a trusted local number.
Pick a region, then select any state to see every active area code with city coverage, time zones, and a number-picker shortcut.
Everything you need to know before getting a virtual 520 phone number. Our team is one click away for anything else.
Area code 520 serves Arizona (AZ), covering Tucson, Sierra Vista, Yuma, Nogales and surrounding communities in the Mountain Time (MT) zone.
Yes. Call recording is included on every TKOS plan at no extra charge. Recordings are stored securely in your dashboard, ready for training, compliance, or quality review.
Yes. TKOS supports custom digit sequences on 520 area code numbers. Search for your preferred pattern when selecting a number — vanity sequences are available at no extra cost.
Yes. TKOS business-hours routing lets you define open and closed schedules in Mountain Time (MT) (UTC-7). After-hours calls automatically roll to voicemail, another number, or a custom message — no manual switching.
Yes. TKOS 520 numbers are 100% virtual — establish a Arizona presence from anywhere in the world. Calls, texts, and voicemails route to any device you choose.
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