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).

  • 3125031500 | +1 312-503-1500 Illinois U.S.A.
  • 3125031501 | +1 312-503-1501 Illinois U.S.A.
  • 3125031502 | +1 312-503-1502 Illinois U.S.A.
  • 3125031503 | +1 312-503-1503 Illinois U.S.A.
  • 3125031504 | +1 312-503-1504 Illinois U.S.A.
  • 3125031505 | +1 312-503-1505 Illinois U.S.A.
  • 3125031506 | +1 312-503-1506 Illinois U.S.A.
  • 3125031507 | +1 312-503-1507 Illinois U.S.A.
  • 3125031508 | +1 312-503-1508 Illinois U.S.A.
  • 3125031509 | +1 312-503-1509 Illinois U.S.A.
  • 3125031510 | +1 312-503-1510 Illinois U.S.A.
  • 3125031511 | +1 312-503-1511 Illinois U.S.A.
  • 3125031512 | +1 312-503-1512 Illinois U.S.A.
  • 3125031513 | +1 312-503-1513 Illinois U.S.A.
  • 3125031514 | +1 312-503-1514 Illinois U.S.A.
  • 3125031515 | +1 312-503-1515 Illinois U.S.A.
  • 3125031516 | +1 312-503-1516 Illinois U.S.A.
  • 3125031517 | +1 312-503-1517 Illinois U.S.A.
  • 3125031518 | +1 312-503-1518 Illinois U.S.A.
  • 3125031519 | +1 312-503-1519 Illinois U.S.A.
  • 3125031520 | +1 312-503-1520 Illinois U.S.A.
  • 3125031521 | +1 312-503-1521 Illinois U.S.A.
  • 3125031522 | +1 312-503-1522 Illinois U.S.A.
  • 3125031523 | +1 312-503-1523 Illinois U.S.A.
  • 3125031524 | +1 312-503-1524 Illinois U.S.A.
  • 3125031525 | +1 312-503-1525 Illinois U.S.A.
  • 3125031526 | +1 312-503-1526 Illinois U.S.A.
  • 3125031527 | +1 312-503-1527 Illinois U.S.A.
  • 3125031528 | +1 312-503-1528 Illinois U.S.A.
  • 3125031529 | +1 312-503-1529 Illinois U.S.A.
  • 3125031530 | +1 312-503-1530 Illinois U.S.A.
  • 3125031531 | +1 312-503-1531 Illinois U.S.A.
  • 3125031532 | +1 312-503-1532 Illinois U.S.A.
  • 3125031533 | +1 312-503-1533 Illinois U.S.A.
  • 3125031534 | +1 312-503-1534 Illinois U.S.A.
  • 3125031535 | +1 312-503-1535 Illinois U.S.A.
  • 3125031536 | +1 312-503-1536 Illinois U.S.A.
  • 3125031537 | +1 312-503-1537 Illinois U.S.A.
  • 3125031538 | +1 312-503-1538 Illinois U.S.A.
  • 3125031539 | +1 312-503-1539 Illinois U.S.A.
  • 3125031540 | +1 312-503-1540 Illinois U.S.A.
  • 3125031541 | +1 312-503-1541 Illinois U.S.A.
  • 3125031542 | +1 312-503-1542 Illinois U.S.A.
  • 3125031543 | +1 312-503-1543 Illinois U.S.A.
  • 3125031544 | +1 312-503-1544 Illinois U.S.A.
  • 3125031545 | +1 312-503-1545 Illinois U.S.A.
  • 3125031546 | +1 312-503-1546 Illinois U.S.A.
  • 3125031547 | +1 312-503-1547 Illinois U.S.A.
  • 3125031548 | +1 312-503-1548 Illinois U.S.A.
  • 3125031549 | +1 312-503-1549 Illinois U.S.A.
  • 3125031550 | +1 312-503-1550 Illinois U.S.A.
  • 3125031551 | +1 312-503-1551 Illinois U.S.A.
  • 3125031552 | +1 312-503-1552 Illinois U.S.A.
  • 3125031553 | +1 312-503-1553 Illinois U.S.A.
  • 3125031554 | +1 312-503-1554 Illinois U.S.A.
  • 3125031555 | +1 312-503-1555 Illinois U.S.A.
  • 3125031556 | +1 312-503-1556 Illinois U.S.A.
  • 3125031557 | +1 312-503-1557 Illinois U.S.A.
  • 3125031558 | +1 312-503-1558 Illinois U.S.A.
  • 3125031559 | +1 312-503-1559 Illinois U.S.A.
  • 3125031560 | +1 312-503-1560 Illinois U.S.A.
  • 3125031561 | +1 312-503-1561 Illinois U.S.A.
  • 3125031562 | +1 312-503-1562 Illinois U.S.A.
  • 3125031563 | +1 312-503-1563 Illinois U.S.A.
  • 3125031564 | +1 312-503-1564 Illinois U.S.A.
  • 3125031565 | +1 312-503-1565 Illinois U.S.A.
  • 3125031566 | +1 312-503-1566 Illinois U.S.A.
  • 3125031567 | +1 312-503-1567 Illinois U.S.A.
  • 3125031568 | +1 312-503-1568 Illinois U.S.A.
  • 3125031569 | +1 312-503-1569 Illinois U.S.A.
  • 3125031570 | +1 312-503-1570 Illinois U.S.A.
  • 3125031571 | +1 312-503-1571 Illinois U.S.A.
  • 3125031572 | +1 312-503-1572 Illinois U.S.A.
  • 3125031573 | +1 312-503-1573 Illinois U.S.A.
  • 3125031574 | +1 312-503-1574 Illinois U.S.A.
  • 3125031575 | +1 312-503-1575 Illinois U.S.A.
  • 3125031576 | +1 312-503-1576 Illinois U.S.A.
  • 3125031577 | +1 312-503-1577 Illinois U.S.A.
  • 3125031578 | +1 312-503-1578 Illinois U.S.A.
  • 3125031579 | +1 312-503-1579 Illinois U.S.A.
  • 3125031580 | +1 312-503-1580 Illinois U.S.A.
  • 3125031581 | +1 312-503-1581 Illinois U.S.A.
  • 3125031582 | +1 312-503-1582 Illinois U.S.A.
  • 3125031583 | +1 312-503-1583 Illinois U.S.A.
  • 3125031584 | +1 312-503-1584 Illinois U.S.A.
  • 3125031585 | +1 312-503-1585 Illinois U.S.A.
  • 3125031586 | +1 312-503-1586 Illinois U.S.A.
  • 3125031587 | +1 312-503-1587 Illinois U.S.A.
  • 3125031588 | +1 312-503-1588 Illinois U.S.A.
  • 3125031589 | +1 312-503-1589 Illinois U.S.A.
  • 3125031590 | +1 312-503-1590 Illinois U.S.A.
  • 3125031591 | +1 312-503-1591 Illinois U.S.A.
  • 3125031592 | +1 312-503-1592 Illinois U.S.A.
  • 3125031593 | +1 312-503-1593 Illinois U.S.A.
  • 3125031594 | +1 312-503-1594 Illinois U.S.A.
  • 3125031595 | +1 312-503-1595 Illinois U.S.A.
  • 3125031596 | +1 312-503-1596 Illinois U.S.A.
  • 3125031597 | +1 312-503-1597 Illinois U.S.A.
  • 3125031598 | +1 312-503-1598 Illinois U.S.A.
  • 3125031599 | +1 312-503-1599 Illinois U.S.A.