Why is Markham called Canada's high-tech capital?

Markham has the highest concentration of tech companies and jobs per capita in Canada. Over 1,000 tech companies including AMD, IBM, and Qualcomm operate here.

What timezone is Markham?

Markham operates on Eastern Time (ET), the same as Toronto. It's part of the GTA business region.

Yes, Markham is one of Canada's most diverse cities. Over 80% of residents are visible minorities, with large Chinese and South Asian communities.

Is Markham part of Toronto?

No, Markham is a separate city in York Region, north of Toronto. It's one of Canada's largest municipalities.

Markham Phone Numbers

Get a Markham, ON Phone Number

Canada's high-tech capital and one of the GTA's most diverse cities, Markham hosts more tech companies per capita than anywhere else in Canada. The 905 area code signals serious GTA business presence. Phone2 connects you to this tech and business hub.

Area Code

905

State

Population

340,000

Timezone

Eastern Time (ET)

All Area Codes

905 289 365

Last updated: July 18, 2026 at 1:15 AM UTC

Markham, ON

Starting at

$7/month billed annually

Get started

Available Markham, ON phone numbers right now

The best available Markham, ON numbers right now, pulled live from our carrier network. Last updated: July 18, 2026 at 1:15 AM UTC.

Updated hourly

New 905 numbers are nearly exhausted, so carriers now issue numbers in the overlay code serving the same cities and rate centers. The numbers below ring exactly like a 905 number for local callers.

Every number includes calling, team inbox, and mobile + desktop apps from $7/month on annual billing. Availability changes frequently.

Search all numbers

Got a call from a Markham, ON number? Run a free reverse phone lookup.

Business in Markham

Markham has attracted over 1,000 tech companies and is home to AMD, IBM, Qualcomm, and Huawei Canada. The city has the highest concentration of tech jobs in Canada. Its diverse population (majority visible minority) and strong schools attract talent.

Why Choose Phone2 for Markham?

A 905 number signals Greater Toronto Area presence. For tech companies and businesses serving Markham's diverse market, Phone2's local numbers build credibility in Canada's high-tech capital.

Key Industries in Markham

Technology

Over 1,000 tech companies operate in Markham. AMD, IBM, Qualcomm, Huawei, and many others have offices here. It's Canada's largest tech cluster outside downtown Toronto.

Healthcare & Life Sciences

Markham Stouffville Hospital and life sciences companies serve the growing population. Healthcare employment is significant.

Financial Services

Insurance companies and financial services firms have offices in Markham. The city offers lower costs than downtown Toronto with excellent talent access.

Customer Stories

What our users are saying

Minutes of downtime

Our customers expect 24/7 availability. Zero downtime in 8 months – enterprise reliability without the enterprise contract. Perfect for growing SaaS.

Debora

SaaS Founder, Software Startup

Frequently Asked Questions about Markham

Markham uses 905 as its primary area code, with 289 and 365 as overlays. The 905 code covers the Greater Toronto Area suburbs.

Ready to get your Markham, ON number?

Get a local business phone number with unlimited calling and SMS. 30-day money-back guarantee.

Get Started at $7/month billed annually View Plans

No contracts

Cancel anytime

30-day refund guarantee