London, Ontario · EST/EDT (UTC-5) · Canada
London, Windsor, Kitchener — southwestern Ontario
Southwestern Ontario. University of Western Ontario. Overlaid by 226/548.
Dial 1 + 519 + 7-digit number for calls from outside the area. Local calls within the same area code may use 7-digit dialing where available.
From outside Canada: dial your country's exit code + 1 + 519 + number. From most countries, the format is +1-519-XXX-XXXX.
Area code 519 is in EST/EDT (UTC-5). Business hours are typically 9:00 AM – 5:00 PM local time. Remember that clocks shift during DST (March–November).
While (519) is a legitimate area code, scammers can spoof any number. Never share personal info with unknown callers. Verify by calling the organization directly.
Area code data sourced from NANPA. Timezone data from IANA Time Zone Database. Last updated March 2026.