Connect with Montgomery County with a 240 virtual number — the National Institutes of Health's 20,000-person campus at the core of the world's biomedical research enterprise, NIST's Gaithersburg standards campus, and Fort Detrick's biodefence research community. Activate in seconds.
Area code 240 overlays 301 across Montgomery County and Western Maryland — Germantown, Gaithersburg, Rockville, Bethesda, Silver Spring, and Frederick. The National Institutes of Health in Bethesda is the world's largest biomedical research centre, with a $47B annual budget and 20,000 employees. NIST in Gaithersburg sets the nation's measurement standards, and the FDA's White Oak campus hosts the agency's primary regulatory science operations. Fort Detrick in Frederick anchors military biodefense research. A 240 number places your business at the centre of the US biomedical and federal research corridor.
From Baltimore to Glen Burnie 240 covers the Mid-Atlantic region of Maryland.
The National Institutes of Health campus is the world's largest biomedical research enterprise. A 240 number is essential for life sciences vendors, CROs, and clinical supply firms serving the NIH ecosystem.
NIST in Gaithersburg and FDA in White Oak employ thousands and source from a dense Beltway contractor community. A local 240 number establishes your government contractor credibility.
Fort Detrick in Frederick hosts the Army's biodefense and medical research community. Life sciences and defence vendors need a 240 number to operate in Frederick County.
240 overlays 301 and is deeply embedded in one of America's wealthiest, most educated counties — home to more PhDs per capita than almost any other US county.
Every 240 number ships with fourteen professional tools for Montgomery County's life-sciences-and-government economy — compliance call recording for NIH's vendor requirements, IVR for NIST and FDA's contractor community, and analytics for Fort Detrick's defence corridor and Montgomery County's world-leading biomedical and federal research 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 240 numbers by Rockville, Bethesda, Gaithersburg, Germantown, or Frederick prefix — or port your existing Montgomery County number for free.
Select a plan for your Montgomery County team — NIH life sciences vendor, NIST and FDA contractor, or Fort Detrick defence firm, every feature included.
Configure your 240 line with Eastern Time routing for NIH's research operations schedule and Fort Detrick's military biodefence calendar.
Take 240 calls anywhere — NIH's procurement community, the NIST and FDA contractor network, and Montgomery County's life sciences and government 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 240 phone number. Our team is one click away for anything else.
Yes. TKOS supports simultaneous ring, call queuing, and user extensions on every 240 number — so your whole team can share one number while each member handles calls from their own device.
TKOS automatically fails over to the backup number you configure. If your internet goes down, 240 calls roll to a cell phone or another number instantly — so customers always reach someone without knowing there was an issue.
The 240 area code was introduced in 1995 and serves the Mid-Atlantic region of Maryland.
Yes. The TKOS mobile app lets you call, text, and manage your 240 number from any iOS or Android device. Your 240 number appears on all outbound calls — no SIM swap needed.
Yes. TKOS supports unlimited extensions on any 240 number. Assign extensions to individual team members or departments — callers dial the main 240 number and press the extension to reach the right person.
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