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).

  • 3128992500 | +1 312-899-2500 Illinois U.S.A.
  • 3128992501 | +1 312-899-2501 Illinois U.S.A.
  • 3128992502 | +1 312-899-2502 Illinois U.S.A.
  • 3128992503 | +1 312-899-2503 Illinois U.S.A.
  • 3128992504 | +1 312-899-2504 Illinois U.S.A.
  • 3128992505 | +1 312-899-2505 Illinois U.S.A.
  • 3128992506 | +1 312-899-2506 Illinois U.S.A.
  • 3128992507 | +1 312-899-2507 Illinois U.S.A.
  • 3128992508 | +1 312-899-2508 Illinois U.S.A.
  • 3128992509 | +1 312-899-2509 Illinois U.S.A.
  • 3128992510 | +1 312-899-2510 Illinois U.S.A.
  • 3128992511 | +1 312-899-2511 Illinois U.S.A.
  • 3128992512 | +1 312-899-2512 Illinois U.S.A.
  • 3128992513 | +1 312-899-2513 Illinois U.S.A.
  • 3128992514 | +1 312-899-2514 Illinois U.S.A.
  • 3128992515 | +1 312-899-2515 Illinois U.S.A.
  • 3128992516 | +1 312-899-2516 Illinois U.S.A.
  • 3128992517 | +1 312-899-2517 Illinois U.S.A.
  • 3128992518 | +1 312-899-2518 Illinois U.S.A.
  • 3128992519 | +1 312-899-2519 Illinois U.S.A.
  • 3128992520 | +1 312-899-2520 Illinois U.S.A.
  • 3128992521 | +1 312-899-2521 Illinois U.S.A.
  • 3128992522 | +1 312-899-2522 Illinois U.S.A.
  • 3128992523 | +1 312-899-2523 Illinois U.S.A.
  • 3128992524 | +1 312-899-2524 Illinois U.S.A.
  • 3128992525 | +1 312-899-2525 Illinois U.S.A.
  • 3128992526 | +1 312-899-2526 Illinois U.S.A.
  • 3128992527 | +1 312-899-2527 Illinois U.S.A.
  • 3128992528 | +1 312-899-2528 Illinois U.S.A.
  • 3128992529 | +1 312-899-2529 Illinois U.S.A.
  • 3128992530 | +1 312-899-2530 Illinois U.S.A.
  • 3128992531 | +1 312-899-2531 Illinois U.S.A.
  • 3128992532 | +1 312-899-2532 Illinois U.S.A.
  • 3128992533 | +1 312-899-2533 Illinois U.S.A.
  • 3128992534 | +1 312-899-2534 Illinois U.S.A.
  • 3128992535 | +1 312-899-2535 Illinois U.S.A.
  • 3128992536 | +1 312-899-2536 Illinois U.S.A.
  • 3128992537 | +1 312-899-2537 Illinois U.S.A.
  • 3128992538 | +1 312-899-2538 Illinois U.S.A.
  • 3128992539 | +1 312-899-2539 Illinois U.S.A.
  • 3128992540 | +1 312-899-2540 Illinois U.S.A.
  • 3128992541 | +1 312-899-2541 Illinois U.S.A.
  • 3128992542 | +1 312-899-2542 Illinois U.S.A.
  • 3128992543 | +1 312-899-2543 Illinois U.S.A.
  • 3128992544 | +1 312-899-2544 Illinois U.S.A.
  • 3128992545 | +1 312-899-2545 Illinois U.S.A.
  • 3128992546 | +1 312-899-2546 Illinois U.S.A.
  • 3128992547 | +1 312-899-2547 Illinois U.S.A.
  • 3128992548 | +1 312-899-2548 Illinois U.S.A.
  • 3128992549 | +1 312-899-2549 Illinois U.S.A.
  • 3128992550 | +1 312-899-2550 Illinois U.S.A.
  • 3128992551 | +1 312-899-2551 Illinois U.S.A.
  • 3128992552 | +1 312-899-2552 Illinois U.S.A.
  • 3128992553 | +1 312-899-2553 Illinois U.S.A.
  • 3128992554 | +1 312-899-2554 Illinois U.S.A.
  • 3128992555 | +1 312-899-2555 Illinois U.S.A.
  • 3128992556 | +1 312-899-2556 Illinois U.S.A.
  • 3128992557 | +1 312-899-2557 Illinois U.S.A.
  • 3128992558 | +1 312-899-2558 Illinois U.S.A.
  • 3128992559 | +1 312-899-2559 Illinois U.S.A.
  • 3128992560 | +1 312-899-2560 Illinois U.S.A.
  • 3128992561 | +1 312-899-2561 Illinois U.S.A.
  • 3128992562 | +1 312-899-2562 Illinois U.S.A.
  • 3128992563 | +1 312-899-2563 Illinois U.S.A.
  • 3128992564 | +1 312-899-2564 Illinois U.S.A.
  • 3128992565 | +1 312-899-2565 Illinois U.S.A.
  • 3128992566 | +1 312-899-2566 Illinois U.S.A.
  • 3128992567 | +1 312-899-2567 Illinois U.S.A.
  • 3128992568 | +1 312-899-2568 Illinois U.S.A.
  • 3128992569 | +1 312-899-2569 Illinois U.S.A.
  • 3128992570 | +1 312-899-2570 Illinois U.S.A.
  • 3128992571 | +1 312-899-2571 Illinois U.S.A.
  • 3128992572 | +1 312-899-2572 Illinois U.S.A.
  • 3128992573 | +1 312-899-2573 Illinois U.S.A.
  • 3128992574 | +1 312-899-2574 Illinois U.S.A.
  • 3128992575 | +1 312-899-2575 Illinois U.S.A.
  • 3128992576 | +1 312-899-2576 Illinois U.S.A.
  • 3128992577 | +1 312-899-2577 Illinois U.S.A.
  • 3128992578 | +1 312-899-2578 Illinois U.S.A.
  • 3128992579 | +1 312-899-2579 Illinois U.S.A.
  • 3128992580 | +1 312-899-2580 Illinois U.S.A.
  • 3128992581 | +1 312-899-2581 Illinois U.S.A.
  • 3128992582 | +1 312-899-2582 Illinois U.S.A.
  • 3128992583 | +1 312-899-2583 Illinois U.S.A.
  • 3128992584 | +1 312-899-2584 Illinois U.S.A.
  • 3128992585 | +1 312-899-2585 Illinois U.S.A.
  • 3128992586 | +1 312-899-2586 Illinois U.S.A.
  • 3128992587 | +1 312-899-2587 Illinois U.S.A.
  • 3128992588 | +1 312-899-2588 Illinois U.S.A.
  • 3128992589 | +1 312-899-2589 Illinois U.S.A.
  • 3128992590 | +1 312-899-2590 Illinois U.S.A.
  • 3128992591 | +1 312-899-2591 Illinois U.S.A.
  • 3128992592 | +1 312-899-2592 Illinois U.S.A.
  • 3128992593 | +1 312-899-2593 Illinois U.S.A.
  • 3128992594 | +1 312-899-2594 Illinois U.S.A.
  • 3128992595 | +1 312-899-2595 Illinois U.S.A.
  • 3128992596 | +1 312-899-2596 Illinois U.S.A.
  • 3128992597 | +1 312-899-2597 Illinois U.S.A.
  • 3128992598 | +1 312-899-2598 Illinois U.S.A.
  • 3128992599 | +1 312-899-2599 Illinois U.S.A.