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).

  • 3123062400 | +1 312-306-2400 Illinois U.S.A.
  • 3123062401 | +1 312-306-2401 Illinois U.S.A.
  • 3123062402 | +1 312-306-2402 Illinois U.S.A.
  • 3123062403 | +1 312-306-2403 Illinois U.S.A.
  • 3123062404 | +1 312-306-2404 Illinois U.S.A.
  • 3123062405 | +1 312-306-2405 Illinois U.S.A.
  • 3123062406 | +1 312-306-2406 Illinois U.S.A.
  • 3123062407 | +1 312-306-2407 Illinois U.S.A.
  • 3123062408 | +1 312-306-2408 Illinois U.S.A.
  • 3123062409 | +1 312-306-2409 Illinois U.S.A.
  • 3123062410 | +1 312-306-2410 Illinois U.S.A.
  • 3123062411 | +1 312-306-2411 Illinois U.S.A.
  • 3123062412 | +1 312-306-2412 Illinois U.S.A.
  • 3123062413 | +1 312-306-2413 Illinois U.S.A.
  • 3123062414 | +1 312-306-2414 Illinois U.S.A.
  • 3123062415 | +1 312-306-2415 Illinois U.S.A.
  • 3123062416 | +1 312-306-2416 Illinois U.S.A.
  • 3123062417 | +1 312-306-2417 Illinois U.S.A.
  • 3123062418 | +1 312-306-2418 Illinois U.S.A.
  • 3123062419 | +1 312-306-2419 Illinois U.S.A.
  • 3123062420 | +1 312-306-2420 Illinois U.S.A.
  • 3123062421 | +1 312-306-2421 Illinois U.S.A.
  • 3123062422 | +1 312-306-2422 Illinois U.S.A.
  • 3123062423 | +1 312-306-2423 Illinois U.S.A.
  • 3123062424 | +1 312-306-2424 Illinois U.S.A.
  • 3123062425 | +1 312-306-2425 Illinois U.S.A.
  • 3123062426 | +1 312-306-2426 Illinois U.S.A.
  • 3123062427 | +1 312-306-2427 Illinois U.S.A.
  • 3123062428 | +1 312-306-2428 Illinois U.S.A.
  • 3123062429 | +1 312-306-2429 Illinois U.S.A.
  • 3123062430 | +1 312-306-2430 Illinois U.S.A.
  • 3123062431 | +1 312-306-2431 Illinois U.S.A.
  • 3123062432 | +1 312-306-2432 Illinois U.S.A.
  • 3123062433 | +1 312-306-2433 Illinois U.S.A.
  • 3123062434 | +1 312-306-2434 Illinois U.S.A.
  • 3123062435 | +1 312-306-2435 Illinois U.S.A.
  • 3123062436 | +1 312-306-2436 Illinois U.S.A.
  • 3123062437 | +1 312-306-2437 Illinois U.S.A.
  • 3123062438 | +1 312-306-2438 Illinois U.S.A.
  • 3123062439 | +1 312-306-2439 Illinois U.S.A.
  • 3123062440 | +1 312-306-2440 Illinois U.S.A.
  • 3123062441 | +1 312-306-2441 Illinois U.S.A.
  • 3123062442 | +1 312-306-2442 Illinois U.S.A.
  • 3123062443 | +1 312-306-2443 Illinois U.S.A.
  • 3123062444 | +1 312-306-2444 Illinois U.S.A.
  • 3123062445 | +1 312-306-2445 Illinois U.S.A.
  • 3123062446 | +1 312-306-2446 Illinois U.S.A.
  • 3123062447 | +1 312-306-2447 Illinois U.S.A.
  • 3123062448 | +1 312-306-2448 Illinois U.S.A.
  • 3123062449 | +1 312-306-2449 Illinois U.S.A.
  • 3123062450 | +1 312-306-2450 Illinois U.S.A.
  • 3123062451 | +1 312-306-2451 Illinois U.S.A.
  • 3123062452 | +1 312-306-2452 Illinois U.S.A.
  • 3123062453 | +1 312-306-2453 Illinois U.S.A.
  • 3123062454 | +1 312-306-2454 Illinois U.S.A.
  • 3123062455 | +1 312-306-2455 Illinois U.S.A.
  • 3123062456 | +1 312-306-2456 Illinois U.S.A.
  • 3123062457 | +1 312-306-2457 Illinois U.S.A.
  • 3123062458 | +1 312-306-2458 Illinois U.S.A.
  • 3123062459 | +1 312-306-2459 Illinois U.S.A.
  • 3123062460 | +1 312-306-2460 Illinois U.S.A.
  • 3123062461 | +1 312-306-2461 Illinois U.S.A.
  • 3123062462 | +1 312-306-2462 Illinois U.S.A.
  • 3123062463 | +1 312-306-2463 Illinois U.S.A.
  • 3123062464 | +1 312-306-2464 Illinois U.S.A.
  • 3123062465 | +1 312-306-2465 Illinois U.S.A.
  • 3123062466 | +1 312-306-2466 Illinois U.S.A.
  • 3123062467 | +1 312-306-2467 Illinois U.S.A.
  • 3123062468 | +1 312-306-2468 Illinois U.S.A.
  • 3123062469 | +1 312-306-2469 Illinois U.S.A.
  • 3123062470 | +1 312-306-2470 Illinois U.S.A.
  • 3123062471 | +1 312-306-2471 Illinois U.S.A.
  • 3123062472 | +1 312-306-2472 Illinois U.S.A.
  • 3123062473 | +1 312-306-2473 Illinois U.S.A.
  • 3123062474 | +1 312-306-2474 Illinois U.S.A.
  • 3123062475 | +1 312-306-2475 Illinois U.S.A.
  • 3123062476 | +1 312-306-2476 Illinois U.S.A.
  • 3123062477 | +1 312-306-2477 Illinois U.S.A.
  • 3123062478 | +1 312-306-2478 Illinois U.S.A.
  • 3123062479 | +1 312-306-2479 Illinois U.S.A.
  • 3123062480 | +1 312-306-2480 Illinois U.S.A.
  • 3123062481 | +1 312-306-2481 Illinois U.S.A.
  • 3123062482 | +1 312-306-2482 Illinois U.S.A.
  • 3123062483 | +1 312-306-2483 Illinois U.S.A.
  • 3123062484 | +1 312-306-2484 Illinois U.S.A.
  • 3123062485 | +1 312-306-2485 Illinois U.S.A.
  • 3123062486 | +1 312-306-2486 Illinois U.S.A.
  • 3123062487 | +1 312-306-2487 Illinois U.S.A.
  • 3123062488 | +1 312-306-2488 Illinois U.S.A.
  • 3123062489 | +1 312-306-2489 Illinois U.S.A.
  • 3123062490 | +1 312-306-2490 Illinois U.S.A.
  • 3123062491 | +1 312-306-2491 Illinois U.S.A.
  • 3123062492 | +1 312-306-2492 Illinois U.S.A.
  • 3123062493 | +1 312-306-2493 Illinois U.S.A.
  • 3123062494 | +1 312-306-2494 Illinois U.S.A.
  • 3123062495 | +1 312-306-2495 Illinois U.S.A.
  • 3123062496 | +1 312-306-2496 Illinois U.S.A.
  • 3123062497 | +1 312-306-2497 Illinois U.S.A.
  • 3123062498 | +1 312-306-2498 Illinois U.S.A.
  • 3123062499 | +1 312-306-2499 Illinois U.S.A.