📞Area Code 773 — Illinois
US area code 773 serves Illinois. See the full profile: state, neighboring area codes, and lookup API.
Key facts
Area code773
State / territoryIllinois
Other codes in state217, 224, 309, 312, 331, 447, 464, 618
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=773 HTTP/1.1
Host: agenttools-hub.vercel.app
→ 402 (x402 payment required)
→ 200 {"tool": "databases/area-codes", "result": { "value": 773, "answer": "Area code 773 — Illinois" }}Frequently asked questions
Area code — Area Code 773 — Illinois?
Area Code 773 — Illinois: Area code — 773.
State / territory — Area Code 773 — Illinois?
Area Code 773 — Illinois: State / territory — Illinois.
Other codes in state — Area Code 773 — Illinois?
Area Code 773 — Illinois: Other codes in state — 217, 224, 309, 312, 331, 447, 464, 618.
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.