City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3128502400 | +1 312-850-2400 Illinois U.S.A.
  • 3128502401 | +1 312-850-2401 Illinois U.S.A.
  • 3128502402 | +1 312-850-2402 Illinois U.S.A.
  • 3128502403 | +1 312-850-2403 Illinois U.S.A.
  • 3128502404 | +1 312-850-2404 Illinois U.S.A.
  • 3128502405 | +1 312-850-2405 Illinois U.S.A.
  • 3128502406 | +1 312-850-2406 Illinois U.S.A.
  • 3128502407 | +1 312-850-2407 Illinois U.S.A.
  • 3128502408 | +1 312-850-2408 Illinois U.S.A.
  • 3128502409 | +1 312-850-2409 Illinois U.S.A.
  • 3128502410 | +1 312-850-2410 Illinois U.S.A.
  • 3128502411 | +1 312-850-2411 Illinois U.S.A.
  • 3128502412 | +1 312-850-2412 Illinois U.S.A.
  • 3128502413 | +1 312-850-2413 Illinois U.S.A.
  • 3128502414 | +1 312-850-2414 Illinois U.S.A.
  • 3128502415 | +1 312-850-2415 Illinois U.S.A.
  • 3128502416 | +1 312-850-2416 Illinois U.S.A.
  • 3128502417 | +1 312-850-2417 Illinois U.S.A.
  • 3128502418 | +1 312-850-2418 Illinois U.S.A.
  • 3128502419 | +1 312-850-2419 Illinois U.S.A.
  • 3128502420 | +1 312-850-2420 Illinois U.S.A.
  • 3128502421 | +1 312-850-2421 Illinois U.S.A.
  • 3128502422 | +1 312-850-2422 Illinois U.S.A.
  • 3128502423 | +1 312-850-2423 Illinois U.S.A.
  • 3128502424 | +1 312-850-2424 Illinois U.S.A.
  • 3128502425 | +1 312-850-2425 Illinois U.S.A.
  • 3128502426 | +1 312-850-2426 Illinois U.S.A.
  • 3128502427 | +1 312-850-2427 Illinois U.S.A.
  • 3128502428 | +1 312-850-2428 Illinois U.S.A.
  • 3128502429 | +1 312-850-2429 Illinois U.S.A.
  • 3128502430 | +1 312-850-2430 Illinois U.S.A.
  • 3128502431 | +1 312-850-2431 Illinois U.S.A.
  • 3128502432 | +1 312-850-2432 Illinois U.S.A.
  • 3128502433 | +1 312-850-2433 Illinois U.S.A.
  • 3128502434 | +1 312-850-2434 Illinois U.S.A.
  • 3128502435 | +1 312-850-2435 Illinois U.S.A.
  • 3128502436 | +1 312-850-2436 Illinois U.S.A.
  • 3128502437 | +1 312-850-2437 Illinois U.S.A.
  • 3128502438 | +1 312-850-2438 Illinois U.S.A.
  • 3128502439 | +1 312-850-2439 Illinois U.S.A.
  • 3128502440 | +1 312-850-2440 Illinois U.S.A.
  • 3128502441 | +1 312-850-2441 Illinois U.S.A.
  • 3128502442 | +1 312-850-2442 Illinois U.S.A.
  • 3128502443 | +1 312-850-2443 Illinois U.S.A.
  • 3128502444 | +1 312-850-2444 Illinois U.S.A.
  • 3128502445 | +1 312-850-2445 Illinois U.S.A.
  • 3128502446 | +1 312-850-2446 Illinois U.S.A.
  • 3128502447 | +1 312-850-2447 Illinois U.S.A.
  • 3128502448 | +1 312-850-2448 Illinois U.S.A.
  • 3128502449 | +1 312-850-2449 Illinois U.S.A.
  • 3128502450 | +1 312-850-2450 Illinois U.S.A.
  • 3128502451 | +1 312-850-2451 Illinois U.S.A.
  • 3128502452 | +1 312-850-2452 Illinois U.S.A.
  • 3128502453 | +1 312-850-2453 Illinois U.S.A.
  • 3128502454 | +1 312-850-2454 Illinois U.S.A.
  • 3128502455 | +1 312-850-2455 Illinois U.S.A.
  • 3128502456 | +1 312-850-2456 Illinois U.S.A.
  • 3128502457 | +1 312-850-2457 Illinois U.S.A.
  • 3128502458 | +1 312-850-2458 Illinois U.S.A.
  • 3128502459 | +1 312-850-2459 Illinois U.S.A.
  • 3128502460 | +1 312-850-2460 Illinois U.S.A.
  • 3128502461 | +1 312-850-2461 Illinois U.S.A.
  • 3128502462 | +1 312-850-2462 Illinois U.S.A.
  • 3128502463 | +1 312-850-2463 Illinois U.S.A.
  • 3128502464 | +1 312-850-2464 Illinois U.S.A.
  • 3128502465 | +1 312-850-2465 Illinois U.S.A.
  • 3128502466 | +1 312-850-2466 Illinois U.S.A.
  • 3128502467 | +1 312-850-2467 Illinois U.S.A.
  • 3128502468 | +1 312-850-2468 Illinois U.S.A.
  • 3128502469 | +1 312-850-2469 Illinois U.S.A.
  • 3128502470 | +1 312-850-2470 Illinois U.S.A.
  • 3128502471 | +1 312-850-2471 Illinois U.S.A.
  • 3128502472 | +1 312-850-2472 Illinois U.S.A.
  • 3128502473 | +1 312-850-2473 Illinois U.S.A.
  • 3128502474 | +1 312-850-2474 Illinois U.S.A.
  • 3128502475 | +1 312-850-2475 Illinois U.S.A.
  • 3128502476 | +1 312-850-2476 Illinois U.S.A.
  • 3128502477 | +1 312-850-2477 Illinois U.S.A.
  • 3128502478 | +1 312-850-2478 Illinois U.S.A.
  • 3128502479 | +1 312-850-2479 Illinois U.S.A.
  • 3128502480 | +1 312-850-2480 Illinois U.S.A.
  • 3128502481 | +1 312-850-2481 Illinois U.S.A.
  • 3128502482 | +1 312-850-2482 Illinois U.S.A.
  • 3128502483 | +1 312-850-2483 Illinois U.S.A.
  • 3128502484 | +1 312-850-2484 Illinois U.S.A.
  • 3128502485 | +1 312-850-2485 Illinois U.S.A.
  • 3128502486 | +1 312-850-2486 Illinois U.S.A.
  • 3128502487 | +1 312-850-2487 Illinois U.S.A.
  • 3128502488 | +1 312-850-2488 Illinois U.S.A.
  • 3128502489 | +1 312-850-2489 Illinois U.S.A.
  • 3128502490 | +1 312-850-2490 Illinois U.S.A.
  • 3128502491 | +1 312-850-2491 Illinois U.S.A.
  • 3128502492 | +1 312-850-2492 Illinois U.S.A.
  • 3128502493 | +1 312-850-2493 Illinois U.S.A.
  • 3128502494 | +1 312-850-2494 Illinois U.S.A.
  • 3128502495 | +1 312-850-2495 Illinois U.S.A.
  • 3128502496 | +1 312-850-2496 Illinois U.S.A.
  • 3128502497 | +1 312-850-2497 Illinois U.S.A.
  • 3128502498 | +1 312-850-2498 Illinois U.S.A.
  • 3128502499 | +1 312-850-2499 Illinois U.S.A.