VERIZON MARYLAND, INC.
510 prefixes in 410 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 410-646 | BALTIMORE | 9212 | — | Yes |
| 410-647 | SEVERNA PK | 9212 | — | — |
| 410-648 | GALENA | 9212 | — | Yes |
| 410-651 | PRINCEANNE | 9212 | — | — |
| 410-653 | PIKESVILLE | 9212 | — | — |
| 410-654 | PIKESVILLE | 9212 | — | — |
| 410-655 | RANDALLSTN | 9212 | — | — |
| 410-659 | BALTIMORE | 9212 | — | — |
| 410-661 | PARKVILLE | 9212 | — | — |
| 410-662 | BALTIMORE | 9212 | — | Yes |
| 410-663 | PARKVILLE | 9212 | — | — |
| 410-664 | BALTIMORE | 9212 | — | — |
| 410-665 | PARKVILLE | 9212 | — | — |
| 410-666 | COCKEYSVL | 9212 | — | — |
| 410-667 | COCKEYSVL | 9212 | — | — |
| 410-668 | PARKVILLE | 9212 | — | — |
| 410-669 | BALTIMORE | 9212 | — | — |
| 410-671 | EDGEWOOD | 9212 | — | Yes |
| 410-672 | ODENTON | 9212 | — | Yes |
| 410-673 | PRESTON | 9212 | — | Yes |
| 410-674 | ODENTON | 9212 | — | — |
| 410-675 | BALTIMORE | 9212 | — | — |
| 410-676 | EDGEWOOD | 9212 | — | — |
| 410-677 | SALISBURY | 9212 | — | — |
| 410-679 | FORK | 9212 | — | — |
| 410-682 | ESSEX | 9212 | — | Yes |
| 410-683 | COCKEYSVL | 9212 | — | Yes |
| 410-684 | GLENBURNIE | 9212 | — | Yes |
| 410-685 | BALTIMORE | 9212 | — | — |
| 410-686 | ESSEX | 9212 | — | — |
| 410-687 | ESSEX | 9212 | — | — |
| 410-691 | GLENBURNIE | 9212 | — | Yes |
| 410-692 | JARRETTSVL | 9212 | — | Yes |
| 410-694 | GLENBURNIE | 9212 | — | Yes |
| 410-695 | ODENTON | 9212 | — | Yes |
| 410-706 | BALTIMORE | 9212 | — | — |
| 410-712 | ELKRIDGE | 9212 | — | — |
| 410-715 | COLUMBIA | 9212 | — | — |
| 410-716 | TOWSON | 9212 | — | Yes |
| 410-719 | CATONSVL | 9212 | — | — |
| 410-720 | ELLICOTTCY | 9212 | — | Yes |
| 410-721 | CROFTON | 9212 | — | — |
| 410-722 | WATERLO236 | 9212 | — | — |
| 410-723 | OCEAN CITY | 9212 | — | — |
| 410-724 | WATERLO236 | 9212 | — | Yes |
| 410-727 | BALTIMORE | 9212 | — | — |
| 410-728 | BALTIMORE | 9212 | — | — |
| 410-729 | SEVERN | 9212 | — | Yes |
| 410-730 | COLUMBIA | 9212 | — | — |
| 410-732 | BALTIMORE | 9212 | — | — |
| 410-734 | CHURCHVL | 9212 | — | Yes |
| 410-736 | BALTIMORE | 9212 | — | Yes |
| 410-737 | ARBUTUS | 9212 | — | — |
| 410-738 | WATERLO236 | 9212 | — | — |
| 410-740 | COLUMBIA | 9212 | — | — |
| 410-741 | WEST RIVER | 9212 | — | Yes |
| 410-742 | SALISBURY | 9212 | — | — |
| 410-744 | CATONSVL | 9212 | — | — |
| 410-745 | STMICHAELS | 9212 | — | Yes |
| 410-747 | CATONSVL | 9212 | — | — |
| 410-749 | SALISBURY | 9212 | — | — |
| 410-750 | ELLICOTTCY | 9212 | — | — |
| 410-751 | WESTMINSTR | 9212 | — | — |
| 410-752 | BALTIMORE | 9212 | — | — |
| 410-754 | FEDERALSBG | 9212 | — | Yes |
| 410-755 | WARWICK | 9212 | — | Yes |
| 410-756 | TANEYTOWN | 9212 | — | Yes |
| 410-757 | ANNAPOLIS | 9212 | — | — |
| 410-758 | CENTREVL | 9212 | — | Yes |
| 410-760 | GLENBURNIE | 9212 | — | — |
| 410-761 | GLENBURNIE | 9212 | — | — |
| 410-762 | GLENBURNIE | 9212 | — | Yes |
| 410-763 | EASTON | 9212 | — | Yes |
| 410-764 | BALTIMORE | 9212 | — | — |
| 410-765 | GLENBURNIE | 9212 | — | — |
| 410-766 | GLENBURNIE | 9212 | — | — |
| 410-767 | BALTIMORE | 9212 | — | — |
| 410-768 | GLENBURNIE | 9212 | — | — |
| 410-769 | TOWSON | 9212 | — | Yes |
| 410-770 | EASTON | 9212 | — | Yes |
| 410-771 | COCKEYSVL | 9212 | — | — |
| 410-772 | COLUMBIA | 9212 | — | Yes |
| 410-773 | COCKEYSVL | 9212 | — | Yes |
| 410-775 | UNION BDG | 9212 | — | Yes |
| 410-778 | CHESTERTN | 9212 | — | — |
| 410-780 | ESSEX | 9212 | — | — |
| 410-781 | ELLICOTTCY | 9212 | — | Yes |
| 410-782 | ELKRIDGE | 9212 | — | Yes |
| 410-783 | BALTIMORE | 9212 | — | — |
| 410-784 | DEALISLAND | 9212 | — | Yes |
| 410-785 | COCKEYSVL | 9212 | — | — |
| 410-787 | GLENBURNIE | 9212 | — | — |
| 410-788 | CATONSVL | 9212 | — | — |
| 410-789 | BRYNPKLNCM | 9212 | — | — |
| 410-791 | WATERLO236 | 9212 | — | — |
| 410-792 | WATERLO236 | 9212 | — | — |
| 410-793 | SEVERNA PK | 9212 | — | Yes |
| 410-795 | SYKESVILLE | 9212 | — | — |
| 410-796 | ELKRIDGE | 9212 | — | Yes |
| 410-797 | WATERLO236 | 9212 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.