📞Area Code 519 — Ontario
US area code 519 serves Ontario. See the full profile: state, neighboring area codes, and lookup API.
Key facts
Area code519
State / territoryOntario
Other codes in state226, 249, 289, 343, 365, 416, 437, 548
Machine API (x402)
$0.001 / callThe same query is available to AI agents as a paid JSON endpoint — pre-configured for this subject:
GET /api/v1/databases/area-codes?code=519 HTTP/1.1
Host: agenttools-hub.vercel.app
→ 402 (x402 payment required)
→ 200 {"tool": "databases/area-codes", "result": { "value": 519, "answer": "Area code 519 — Ontario" }}Frequently asked questions
Area code — Area Code 519 — Ontario?
Area Code 519 — Ontario: Area code — 519.
State / territory — Area Code 519 — Ontario?
Area Code 519 — Ontario: State / territory — Ontario.
Other codes in state — Area Code 519 — Ontario?
Area Code 519 — Ontario: Other codes in state — 226, 249, 289, 343, 365, 416, 437, 548.
Do overlay codes appear separately?
Yes — overlay codes (two codes serving the same region) are listed as distinct entries, each mapped to its state.
Does this cover Canada and the Caribbean?
The dataset focuses on US area codes. Canadian and Caribbean NANP codes are planned for a future expansion.