This page contains information about which telephone companies the various 02816 numbers are allocated to.
| First Digits | Status | Number Length |
|---|---|---|
| 028 1600 | Free for National Dialling Only | (0)+10 |
| 028 1601 | Free for National Dialling Only | (0)+10 |
| 028 1602 | Free for National Dialling Only | (0)+10 |
| 028 1603 | Free for National Dialling Only | (0)+10 |
| 028 1604 | Free for National Dialling Only | (0)+10 |
| 028 1605 | Free for National Dialling Only | (0)+10 |
| 028 1606 | Free for National Dialling Only | (0)+10 |
| 028 1607 | Free for National Dialling Only | (0)+10 |
| 028 1608 | Free for National Dialling Only | (0)+10 |
| 028 1609 | Free for National Dialling Only | (0)+10 |
| 028 1610 | Free for National Dialling Only | (0)+10 |
| 028 1611 | Free for National Dialling Only | (0)+10 |
| 028 1612 | Free for National Dialling Only | (0)+10 |
| 028 1613 | Free for National Dialling Only | (0)+10 |
| 028 1614 | Free for National Dialling Only | (0)+10 |
| 028 1615 | Free for National Dialling Only | (0)+10 |
| 028 1616 | Free for National Dialling Only | (0)+10 |
| 028 1617 | Free for National Dialling Only | (0)+10 |
| 028 1618 | Free for National Dialling Only | (0)+10 |
| 028 1619 | Free for National Dialling Only | (0)+10 |
| 028 1620 | Free for National Dialling Only | (0)+10 |
| 028 1621 | Free for National Dialling Only | (0)+10 |
| 028 1622 | Free for National Dialling Only | (0)+10 |
| 028 1623 | Free for National Dialling Only | (0)+10 |
| 028 1624 | Free for National Dialling Only | (0)+10 |
| 028 1625 | Free for National Dialling Only | (0)+10 |
| 028 1626 | Free for National Dialling Only | (0)+10 |
| 028 1627 | Free for National Dialling Only | (0)+10 |
| 028 1628 | Free for National Dialling Only | (0)+10 |
| 028 1629 | Free for National Dialling Only | (0)+10 |
| 028 1630 | Free for National Dialling Only | (0)+10 |
| 028 1631 | Free for National Dialling Only | (0)+10 |
| 028 1632 | Free for National Dialling Only | (0)+10 |
| 028 1633 | Free for National Dialling Only | (0)+10 |
| 028 1634 | Free for National Dialling Only | (0)+10 |
| 028 1635 | Free for National Dialling Only | (0)+10 |
| 028 1636 | Free for National Dialling Only | (0)+10 |
| 028 1637 | Free for National Dialling Only | (0)+10 |
| 028 1638 | Free for National Dialling Only | (0)+10 |
| 028 1639 | Free for National Dialling Only | (0)+10 |
| 028 1640 | Free for National Dialling Only | (0)+10 |
| 028 1641 | Free for National Dialling Only | (0)+10 |
| 028 1642 | Free for National Dialling Only | (0)+10 |
| 028 1643 | Free for National Dialling Only | (0)+10 |
| 028 1644 | Free for National Dialling Only | (0)+10 |
| 028 1645 | Free for National Dialling Only | (0)+10 |
| 028 1646 | Free for National Dialling Only | (0)+10 |
| 028 1647 | Free for National Dialling Only | (0)+10 |
| 028 1648 | Free for National Dialling Only | (0)+10 |
| 028 1649 | Free for National Dialling Only | (0)+10 |
| 028 1650 | Free for National Dialling Only | (0)+10 |
| 028 1651 | Free for National Dialling Only | (0)+10 |
| 028 1652 | Free for National Dialling Only | (0)+10 |
| 028 1653 | Free for National Dialling Only | (0)+10 |
| 028 1654 | Free for National Dialling Only | (0)+10 |
| 028 1655 | Free for National Dialling Only | (0)+10 |
| 028 1656 | Free for National Dialling Only | (0)+10 |
| 028 1657 | Free for National Dialling Only | (0)+10 |
| 028 1658 | Free for National Dialling Only | (0)+10 |
| 028 1659 | Free for National Dialling Only | (0)+10 |
| 028 1660 | Free for National Dialling Only | (0)+10 |
| 028 1661 | Free for National Dialling Only | (0)+10 |
| 028 1662 | Free for National Dialling Only | (0)+10 |
| 028 1663 | Free for National Dialling Only | (0)+10 |
| 028 1664 | Free for National Dialling Only | (0)+10 |
| 028 1665 | Free for National Dialling Only | (0)+10 |
| 028 1666 | Free for National Dialling Only | (0)+10 |
| 028 1667 | Free for National Dialling Only | (0)+10 |
| 028 1668 | Free for National Dialling Only | (0)+10 |
| 028 1669 | Free for National Dialling Only | (0)+10 |
| 028 1670 | Free for National Dialling Only | (0)+10 |
| 028 1671 | Free for National Dialling Only | (0)+10 |
| 028 1672 | Free for National Dialling Only | (0)+10 |
| 028 1673 | Free for National Dialling Only | (0)+10 |
| 028 1674 | Free for National Dialling Only | (0)+10 |
| 028 1675 | Free for National Dialling Only | (0)+10 |
| 028 1676 | Free for National Dialling Only | (0)+10 |
| 028 1677 | Free for National Dialling Only | (0)+10 |
| 028 1678 | Free for National Dialling Only | (0)+10 |
| 028 1679 | Free for National Dialling Only | (0)+10 |
| 028 1680 | Free for National Dialling Only | (0)+10 |
| 028 1681 | Free for National Dialling Only | (0)+10 |
| 028 1682 | Free for National Dialling Only | (0)+10 |
| 028 1683 | Free for National Dialling Only | (0)+10 |
| 028 1684 | Free for National Dialling Only | (0)+10 |
| 028 1685 | Free for National Dialling Only | (0)+10 |
| 028 1686 | Free for National Dialling Only | (0)+10 |
| 028 1687 | Free for National Dialling Only | (0)+10 |
| 028 1688 | Free for National Dialling Only | (0)+10 |
| 028 1689 | Free for National Dialling Only | (0)+10 |
| 028 1690 | Free for National Dialling Only | (0)+10 |
| 028 1691 | Free for National Dialling Only | (0)+10 |
| 028 1692 | Free for National Dialling Only | (0)+10 |
| 028 1693 | Free for National Dialling Only | (0)+10 |
| 028 1694 | Free for National Dialling Only | (0)+10 |
| 028 1695 | Free for National Dialling Only | (0)+10 |
| 028 1696 | Free for National Dialling Only | (0)+10 |
| 028 1697 | Free for National Dialling Only | (0)+10 |
| 028 1698 | Free for National Dialling Only | (0)+10 |
| 028 1699 | Free for National Dialling Only | (0)+10 |