NRNumberResearch Membership · Data 09/17/2026

← Area code 301

VERIZON MARYLAND, INC.

465 prefixes in 301 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by VERIZON MARYLAND, INC. in area code 301
NPA-NXXRate centerOCNAssignedPooled
301-546 WSHNGTNZN4 9212 2014-04-07 Yes
301-548 WSNGTNZN10 9212 — —
301-549 ASHTON236 9212 — Yes
301-552 WSNG236Z13 9212 — —
301-559 WSHNGTNZN4 9212 — —
301-562 WSHNGTNZN3 9212 — —
301-563 WSHNGTNZN3 9212 — Yes
301-564 WSHNGTNZN2 9212 — —
301-565 WSHNGTNZN3 9212 — —
301-566 WSNG236Z13 9212 — —
301-567 WSHNGTNZN6 9212 — —
301-568 WSHNGTNZN5 9212 — —
301-570 ASHTON236 9212 — —
301-571 WSHNGTNZN2 9212 — —
301-572 WSHNGTNZN3 9212 — —
301-574 WSNG236Z15 9212 — Yes
301-577 WSHNGTNZN4 9212 — —
301-578 WSHNGTNZN3 9212 — Yes
301-579 BRANDYWINE 9212 — Yes
301-581 WSHNGTNZN2 9212 — —
301-582 HAGERSTOWN 9212 — Yes
301-583 WSHNGTNZN4 9212 — Yes
301-585 WSHNGTNZN3 9212 — —
301-586 WSHNGTNZN3 9212 — Yes
301-587 WSHNGTNZN3 9212 — —
301-588 WSHNGTNZN3 9212 — —
301-589 WSHNGTNZN3 9212 — —
301-590 WSNGTNZN10 9212 — Yes
301-592 WSHNGTNZN3 9212 — Yes
301-593 WSHNGTNZN3 9212 — —
301-594 WSHNGTNZN2 9212 — —
301-595 WSNG236Z13 9212 — —
301-596 LAUREL238 9212 — —
301-598 WSNGTNZN12 9212 — —
301-599 WSHNGTNZN5 9212 — —
301-600 FREDERICK 9212 2006-07-06 Yes
301-601 WSNGTNZN10 9212 — —
301-603 WSNGTNZN11 9212 — Yes
301-604 LAUREL236 9212 — —
301-605 WSNGTNZN10 9212 — Yes
301-607 DAMASCS240 9212 — Yes
301-608 WSHNGTNZN3 9212 — —
301-609 WALDORF 9212 — Yes
301-610 WSNGTNZN10 9212 — Yes
301-614 WSNG236Z13 9212 — —
301-617 LAUREL236 9212 — —
301-618 WSHNGTNZN4 9212 — Yes
301-619 FREDERICK 9212 — —
301-620 FREDERICK 9212 — —
301-621 WSNG238Z14 9212 — —
301-622 WSHNGTNZN3 9212 — —
301-624 FREDERICK 9212 — Yes
301-625 WSHNGTNZN3 9212 — —
301-626 WSHNGTNZN3 9212 — —
301-627 WSNG236Z15 9212 — —
301-629 WSNG238Z14 9212 — Yes
301-630 WSHNGTNZN6 9212 — —
301-631 FREDERICK 9212 — Yes
301-632 WALDORF 9212 — Yes
301-636 WSHNGTNZN5 9212 — Yes
301-638 WALDORF 9212 — Yes
301-640 WSNGTNZN10 9212 — Yes
301-644 FREDERICK 9212 — Yes
301-645 WALDORF 9212 — —
301-649 WSNGTNZN11 9212 — —
301-650 WSHNGTNZN3 9212 — —
301-652 WSHNGTNZN2 9212 — —
301-654 WSHNGTNZN2 9212 — —
301-656 WSHNGTNZN2 9212 — —
301-657 WSHNGTNZN2 9212 — —
301-662 FREDERICK 9212 — —
301-663 FREDERICK 9212 — —
301-664 WSHNGTNZN2 9212 — Yes
301-665 HAGERSTOWN 9212 — Yes
301-668 FREDERICK 9212 — —
301-669 WSHNGTNZN5 9212 — —
301-670 WSNGTNZN10 9212 — —
301-678 HANCOCK 9212 — Yes
301-680 WSHNGTNZN3 9212 — —
301-681 WSHNGTNZN3 9212 — —
301-682 FREDERICK 9212 — Yes
301-686 WSHNGTNZN6 9212 — Yes
301-687 FROSTBURG 9212 — Yes
301-688 WSNG236Z13 9212 — —
301-689 FROSTBURG 9212 — Yes
301-694 FREDERICK 9212 — —
301-695 FREDERICK 9212 — —
301-696 FREDERICK 9212 — —
301-698 FREDERICK 9212 — —
301-699 WSHNGTNZN4 9212 — —
301-702 WSHNGTNZN5 9212 — —
301-705 WALDORF 9212 — Yes
301-713 WSHNGTNZN3 9212 — —
301-714 HAGERSTOWN 9212 — Yes
301-716 WSNG236Z13 9212 — —
301-718 WSHNGTNZN2 9212 — —
301-721 WSNGTNZN10 9212 — —
301-722 CUMBERLAND 9212 — —
301-723 CUMBERLAND 9212 — Yes
301-724 CUMBERLAND 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.