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).

  • 3128392500 | +1 312-839-2500 Illinois U.S.A.
  • 3128392501 | +1 312-839-2501 Illinois U.S.A.
  • 3128392502 | +1 312-839-2502 Illinois U.S.A.
  • 3128392503 | +1 312-839-2503 Illinois U.S.A.
  • 3128392504 | +1 312-839-2504 Illinois U.S.A.
  • 3128392505 | +1 312-839-2505 Illinois U.S.A.
  • 3128392506 | +1 312-839-2506 Illinois U.S.A.
  • 3128392507 | +1 312-839-2507 Illinois U.S.A.
  • 3128392508 | +1 312-839-2508 Illinois U.S.A.
  • 3128392509 | +1 312-839-2509 Illinois U.S.A.
  • 3128392510 | +1 312-839-2510 Illinois U.S.A.
  • 3128392511 | +1 312-839-2511 Illinois U.S.A.
  • 3128392512 | +1 312-839-2512 Illinois U.S.A.
  • 3128392513 | +1 312-839-2513 Illinois U.S.A.
  • 3128392514 | +1 312-839-2514 Illinois U.S.A.
  • 3128392515 | +1 312-839-2515 Illinois U.S.A.
  • 3128392516 | +1 312-839-2516 Illinois U.S.A.
  • 3128392517 | +1 312-839-2517 Illinois U.S.A.
  • 3128392518 | +1 312-839-2518 Illinois U.S.A.
  • 3128392519 | +1 312-839-2519 Illinois U.S.A.
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  • 3128392521 | +1 312-839-2521 Illinois U.S.A.
  • 3128392522 | +1 312-839-2522 Illinois U.S.A.
  • 3128392523 | +1 312-839-2523 Illinois U.S.A.
  • 3128392524 | +1 312-839-2524 Illinois U.S.A.
  • 3128392525 | +1 312-839-2525 Illinois U.S.A.
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  • 3128392531 | +1 312-839-2531 Illinois U.S.A.
  • 3128392532 | +1 312-839-2532 Illinois U.S.A.
  • 3128392533 | +1 312-839-2533 Illinois U.S.A.
  • 3128392534 | +1 312-839-2534 Illinois U.S.A.
  • 3128392535 | +1 312-839-2535 Illinois U.S.A.
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  • 3128392540 | +1 312-839-2540 Illinois U.S.A.
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  • 3128392542 | +1 312-839-2542 Illinois U.S.A.
  • 3128392543 | +1 312-839-2543 Illinois U.S.A.
  • 3128392544 | +1 312-839-2544 Illinois U.S.A.
  • 3128392545 | +1 312-839-2545 Illinois U.S.A.
  • 3128392546 | +1 312-839-2546 Illinois U.S.A.
  • 3128392547 | +1 312-839-2547 Illinois U.S.A.
  • 3128392548 | +1 312-839-2548 Illinois U.S.A.
  • 3128392549 | +1 312-839-2549 Illinois U.S.A.
  • 3128392550 | +1 312-839-2550 Illinois U.S.A.
  • 3128392551 | +1 312-839-2551 Illinois U.S.A.
  • 3128392552 | +1 312-839-2552 Illinois U.S.A.
  • 3128392553 | +1 312-839-2553 Illinois U.S.A.
  • 3128392554 | +1 312-839-2554 Illinois U.S.A.
  • 3128392555 | +1 312-839-2555 Illinois U.S.A.
  • 3128392556 | +1 312-839-2556 Illinois U.S.A.
  • 3128392557 | +1 312-839-2557 Illinois U.S.A.
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  • 3128392560 | +1 312-839-2560 Illinois U.S.A.
  • 3128392561 | +1 312-839-2561 Illinois U.S.A.
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  • 3128392564 | +1 312-839-2564 Illinois U.S.A.
  • 3128392565 | +1 312-839-2565 Illinois U.S.A.
  • 3128392566 | +1 312-839-2566 Illinois U.S.A.
  • 3128392567 | +1 312-839-2567 Illinois U.S.A.
  • 3128392568 | +1 312-839-2568 Illinois U.S.A.
  • 3128392569 | +1 312-839-2569 Illinois U.S.A.
  • 3128392570 | +1 312-839-2570 Illinois U.S.A.
  • 3128392571 | +1 312-839-2571 Illinois U.S.A.
  • 3128392572 | +1 312-839-2572 Illinois U.S.A.
  • 3128392573 | +1 312-839-2573 Illinois U.S.A.
  • 3128392574 | +1 312-839-2574 Illinois U.S.A.
  • 3128392575 | +1 312-839-2575 Illinois U.S.A.
  • 3128392576 | +1 312-839-2576 Illinois U.S.A.
  • 3128392577 | +1 312-839-2577 Illinois U.S.A.
  • 3128392578 | +1 312-839-2578 Illinois U.S.A.
  • 3128392579 | +1 312-839-2579 Illinois U.S.A.
  • 3128392580 | +1 312-839-2580 Illinois U.S.A.
  • 3128392581 | +1 312-839-2581 Illinois U.S.A.
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  • 3128392584 | +1 312-839-2584 Illinois U.S.A.
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  • 3128392586 | +1 312-839-2586 Illinois U.S.A.
  • 3128392587 | +1 312-839-2587 Illinois U.S.A.
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  • 3128392589 | +1 312-839-2589 Illinois U.S.A.
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  • 3128392591 | +1 312-839-2591 Illinois U.S.A.
  • 3128392592 | +1 312-839-2592 Illinois U.S.A.
  • 3128392593 | +1 312-839-2593 Illinois U.S.A.
  • 3128392594 | +1 312-839-2594 Illinois U.S.A.
  • 3128392595 | +1 312-839-2595 Illinois U.S.A.
  • 3128392596 | +1 312-839-2596 Illinois U.S.A.
  • 3128392597 | +1 312-839-2597 Illinois U.S.A.
  • 3128392598 | +1 312-839-2598 Illinois U.S.A.
  • 3128392599 | +1 312-839-2599 Illinois U.S.A.