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).

  • 3129972500 | +1 312-997-2500 Illinois U.S.A.
  • 3129972501 | +1 312-997-2501 Illinois U.S.A.
  • 3129972502 | +1 312-997-2502 Illinois U.S.A.
  • 3129972503 | +1 312-997-2503 Illinois U.S.A.
  • 3129972504 | +1 312-997-2504 Illinois U.S.A.
  • 3129972505 | +1 312-997-2505 Illinois U.S.A.
  • 3129972506 | +1 312-997-2506 Illinois U.S.A.
  • 3129972507 | +1 312-997-2507 Illinois U.S.A.
  • 3129972508 | +1 312-997-2508 Illinois U.S.A.
  • 3129972509 | +1 312-997-2509 Illinois U.S.A.
  • 3129972510 | +1 312-997-2510 Illinois U.S.A.
  • 3129972511 | +1 312-997-2511 Illinois U.S.A.
  • 3129972512 | +1 312-997-2512 Illinois U.S.A.
  • 3129972513 | +1 312-997-2513 Illinois U.S.A.
  • 3129972514 | +1 312-997-2514 Illinois U.S.A.
  • 3129972515 | +1 312-997-2515 Illinois U.S.A.
  • 3129972516 | +1 312-997-2516 Illinois U.S.A.
  • 3129972517 | +1 312-997-2517 Illinois U.S.A.
  • 3129972518 | +1 312-997-2518 Illinois U.S.A.
  • 3129972519 | +1 312-997-2519 Illinois U.S.A.
  • 3129972520 | +1 312-997-2520 Illinois U.S.A.
  • 3129972521 | +1 312-997-2521 Illinois U.S.A.
  • 3129972522 | +1 312-997-2522 Illinois U.S.A.
  • 3129972523 | +1 312-997-2523 Illinois U.S.A.
  • 3129972524 | +1 312-997-2524 Illinois U.S.A.
  • 3129972525 | +1 312-997-2525 Illinois U.S.A.
  • 3129972526 | +1 312-997-2526 Illinois U.S.A.
  • 3129972527 | +1 312-997-2527 Illinois U.S.A.
  • 3129972528 | +1 312-997-2528 Illinois U.S.A.
  • 3129972529 | +1 312-997-2529 Illinois U.S.A.
  • 3129972530 | +1 312-997-2530 Illinois U.S.A.
  • 3129972531 | +1 312-997-2531 Illinois U.S.A.
  • 3129972532 | +1 312-997-2532 Illinois U.S.A.
  • 3129972533 | +1 312-997-2533 Illinois U.S.A.
  • 3129972534 | +1 312-997-2534 Illinois U.S.A.
  • 3129972535 | +1 312-997-2535 Illinois U.S.A.
  • 3129972536 | +1 312-997-2536 Illinois U.S.A.
  • 3129972537 | +1 312-997-2537 Illinois U.S.A.
  • 3129972538 | +1 312-997-2538 Illinois U.S.A.
  • 3129972539 | +1 312-997-2539 Illinois U.S.A.
  • 3129972540 | +1 312-997-2540 Illinois U.S.A.
  • 3129972541 | +1 312-997-2541 Illinois U.S.A.
  • 3129972542 | +1 312-997-2542 Illinois U.S.A.
  • 3129972543 | +1 312-997-2543 Illinois U.S.A.
  • 3129972544 | +1 312-997-2544 Illinois U.S.A.
  • 3129972545 | +1 312-997-2545 Illinois U.S.A.
  • 3129972546 | +1 312-997-2546 Illinois U.S.A.
  • 3129972547 | +1 312-997-2547 Illinois U.S.A.
  • 3129972548 | +1 312-997-2548 Illinois U.S.A.
  • 3129972549 | +1 312-997-2549 Illinois U.S.A.
  • 3129972550 | +1 312-997-2550 Illinois U.S.A.
  • 3129972551 | +1 312-997-2551 Illinois U.S.A.
  • 3129972552 | +1 312-997-2552 Illinois U.S.A.
  • 3129972553 | +1 312-997-2553 Illinois U.S.A.
  • 3129972554 | +1 312-997-2554 Illinois U.S.A.
  • 3129972555 | +1 312-997-2555 Illinois U.S.A.
  • 3129972556 | +1 312-997-2556 Illinois U.S.A.
  • 3129972557 | +1 312-997-2557 Illinois U.S.A.
  • 3129972558 | +1 312-997-2558 Illinois U.S.A.
  • 3129972559 | +1 312-997-2559 Illinois U.S.A.
  • 3129972560 | +1 312-997-2560 Illinois U.S.A.
  • 3129972561 | +1 312-997-2561 Illinois U.S.A.
  • 3129972562 | +1 312-997-2562 Illinois U.S.A.
  • 3129972563 | +1 312-997-2563 Illinois U.S.A.
  • 3129972564 | +1 312-997-2564 Illinois U.S.A.
  • 3129972565 | +1 312-997-2565 Illinois U.S.A.
  • 3129972566 | +1 312-997-2566 Illinois U.S.A.
  • 3129972567 | +1 312-997-2567 Illinois U.S.A.
  • 3129972568 | +1 312-997-2568 Illinois U.S.A.
  • 3129972569 | +1 312-997-2569 Illinois U.S.A.
  • 3129972570 | +1 312-997-2570 Illinois U.S.A.
  • 3129972571 | +1 312-997-2571 Illinois U.S.A.
  • 3129972572 | +1 312-997-2572 Illinois U.S.A.
  • 3129972573 | +1 312-997-2573 Illinois U.S.A.
  • 3129972574 | +1 312-997-2574 Illinois U.S.A.
  • 3129972575 | +1 312-997-2575 Illinois U.S.A.
  • 3129972576 | +1 312-997-2576 Illinois U.S.A.
  • 3129972577 | +1 312-997-2577 Illinois U.S.A.
  • 3129972578 | +1 312-997-2578 Illinois U.S.A.
  • 3129972579 | +1 312-997-2579 Illinois U.S.A.
  • 3129972580 | +1 312-997-2580 Illinois U.S.A.
  • 3129972581 | +1 312-997-2581 Illinois U.S.A.
  • 3129972582 | +1 312-997-2582 Illinois U.S.A.
  • 3129972583 | +1 312-997-2583 Illinois U.S.A.
  • 3129972584 | +1 312-997-2584 Illinois U.S.A.
  • 3129972585 | +1 312-997-2585 Illinois U.S.A.
  • 3129972586 | +1 312-997-2586 Illinois U.S.A.
  • 3129972587 | +1 312-997-2587 Illinois U.S.A.
  • 3129972588 | +1 312-997-2588 Illinois U.S.A.
  • 3129972589 | +1 312-997-2589 Illinois U.S.A.
  • 3129972590 | +1 312-997-2590 Illinois U.S.A.
  • 3129972591 | +1 312-997-2591 Illinois U.S.A.
  • 3129972592 | +1 312-997-2592 Illinois U.S.A.
  • 3129972593 | +1 312-997-2593 Illinois U.S.A.
  • 3129972594 | +1 312-997-2594 Illinois U.S.A.
  • 3129972595 | +1 312-997-2595 Illinois U.S.A.
  • 3129972596 | +1 312-997-2596 Illinois U.S.A.
  • 3129972597 | +1 312-997-2597 Illinois U.S.A.
  • 3129972598 | +1 312-997-2598 Illinois U.S.A.
  • 3129972599 | +1 312-997-2599 Illinois U.S.A.