Establish a Southwest Oklahoma presence with a 580 virtual number — Fort Sill's US Army Field Artillery School near Lawton with over 25,000 personnel, Halliburton's Ardmore oilfield services operations serving the Anadarko Basin, and the University of Science and Arts of Oklahoma's Chickasha academic community. Activate instantly.
Area code 580 covers Southwest and South-Central Oklahoma — Lawton, Ardmore, Enid, Duncan, Altus, Chickasha, Weatherford, and Woodward. Fort Sill near Lawton is the US Army's Field Artillery School and a major installation with over 25,000 military and civilian personnel. Halliburton's Ardmore operations serve South Oklahoma's substantial oilfield services market. The University of Science and Arts of Oklahoma in Chickasha is the state's only public liberal arts university. A 580 number reaches this military, energy, and agricultural economy spanning from the Red River to the Kansas line.
From Oklahoma City to Lawton 580 covers the South Central region of Oklahoma.
Fort Sill employs over 25,000 military, civilian, and contractor personnel near Lawton. Defence contractors, security vendors, and government services firms need a 580 number to engage the Lawton installation and Comanche County procurement community.
Halliburton operates significant oilfield services operations in Ardmore, serving the Anadarko and Arkoma basin producers. Energy services, drilling equipment, and industrial supply firms benefit from a 580 number for South Oklahoma's petroleum market.
580 spans Oklahoma's wheat belt and cattle ranching corridor from Enid to the Texas border. Agricultural suppliers, grain logistics firms, and rural healthcare providers use a 580 number to reach the region's farming and ranching community.
580 was established in 1997 as a split from 405, serving the sparsely populated western and southern Oklahoma counties anchored by Fort Sill, oil production, and wheat farming.
Every 580 number includes fourteen professional tools for Southwest Oklahoma's military-and-energy economy — compliance call recording for Fort Sill's Lawton defence vendor requirements, IVR for Halliburton's Ardmore oilfield supplier community, and analytics for the Anadarko Basin petroleum corridor and Southwest Oklahoma's military, oil, and agricultural market.
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.
Browse 580 numbers by Lawton, Ardmore, Enid, Duncan, or Chickasha prefix — or port your existing Southwest Oklahoma number for free.
Select a plan for your Southwest Oklahoma team — Fort Sill defence contractor, Halliburton oilfield partner, or USAO Chickasha academic vendor, every feature included.
Configure your 580 line with Central Time routing for Fort Sill's military operations schedule and Halliburton's Ardmore field service calendar.
Take 580 calls anywhere — Fort Sill's Lawton procurement community, Halliburton's Ardmore oilfield network, and Southwest Oklahoma's military, energy, and agricultural economy 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 580 phone number. Our team is one click away for anything else.
Yes. TKOS supports simultaneous ring, call queuing, and user extensions on every 580 number — so your whole team can share one number while each member handles calls from their own device.
Absolutely. TKOS 580 numbers are 100% cloud-based. There's no desk phone, PBX hardware, or Oklahoma address required — manage everything from your browser or mobile app from anywhere.
Yes. TKOS 580 numbers are 100% virtual — establish a Oklahoma presence from anywhere in the world. Calls, texts, and voicemails route to any device you choose.
The 580 area code follows Central Time (CT) (UTC-6). TKOS routing rules, business hours, and call schedules all respect this time zone automatically — no manual configuration needed.
Yes — porting your existing 580 number to TKOS is completely free. Most Oklahoma port-ins complete in 5–10 business days with zero downtime, and your 580 calls keep routing normally throughout the transition.
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