NRNumberResearch Membership · Data 09/17/2026

← Area code 301

All assignees

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

Prefixes held by all assignees in area code 301
NPA-NXXRate centerOCNAssignedPooled
301-700 — —
301-701 WSNG236Z13 071F — Yes
301-702 WSHNGTNZN5 9212 — —
301-703 MOUNT AIRY 6119 2002-08-29 Yes
301-704 WSHNGTNZN3 6395 — —
301-705 WALDORF 9212 — Yes
301-706 WSHNGTNZN3 6395 — —
301-707 CUMBERLAND 4720 — Yes
301-708 LAUREL238 6395 — Yes
301-709 CUMBERLAND 425J 2019-05-28 Yes
301-710 WALDORF 6119 2005-12-30 Yes
301-711 XXXXXXXXXX MULT — —
301-712 FREDERICK 7228 — Yes
301-713 WSHNGTNZN3 9212 — —
301-714 HAGERSTOWN 9212 — Yes
301-715 WSNG236Z15 7529 — Yes
301-716 WSNG236Z13 9212 — —
301-717 WSHNGTNZN3 6395 — —
301-718 WSHNGTNZN2 9212 — —
301-719 WSNGTNZN16 7529 — Yes
301-720 BRANDYWINE 7529 — Yes
301-721 WSNGTNZN10 9212 — —
301-722 CUMBERLAND 9212 — —
301-723 CUMBERLAND 9212 — Yes
301-724 CUMBERLAND 9212 — —
301-725 LAUREL236 9212 — —
301-726 KITZMILLER 7228 2023-02-07 Yes
301-727 WSHNGTNZN5 8697 — —
301-728 WSHNGTNZN3 6855 — —
301-729 CUMBERLAND 9212 — —
301-730 MYERSVILLE 4036 — —
301-731 WSHNGTNZN4 9212 — —
301-732 FREDERICK 5562 — Yes
301-733 HAGERSTOWN 9212 — —
301-734 WSHNGTNZN3 9212 — —
301-735 WSHNGTNZN5 9212 — —
301-736 WSHNGTNZN5 9212 — —
301-737 LXTNPKGRML 9212 — —
301-738 WSNGTNZN10 9212 — —
301-739 HAGERSTOWN 9212 — —
301-740 GAITHERSBG 9212 2004-04-22 Yes
301-741 LAUREL236 6119 — Yes
301-742 WSHNGTNZN2 4036 — —
301-743 INDIANHEAD 9212 — Yes
301-744 INDIANHEAD 9212 — Yes
301-745 HAGERSTOWN 9212 — Yes
301-746 FRIENDSVL 9212 — Yes
301-747 WSHNGTNZN6 7529 — Yes
301-748 FREDERICK 5562 — Yes
301-749 WSHNGTNZN6 9212 — —
301-750 FRIENDSVL 2593 2004-03-18 Yes
301-751 WALDORF 6395 — —
301-752 WALDORF 6395 — —
301-753 WSHNGTNZN6 9212 — Yes
301-754 WSHNGTNZN3 9212 — Yes
301-755 WSHNGTNZN3 7229 — Yes
301-756 WSNG236Z14 7591 — Yes
301-757 LXTNPKGRML 9212 — —
301-758 WSHNGTNZN3 6395 — —
301-759 CUMBERLAND 9212 — —
301-760 WSHNGTNZN2 6119 2002-02-27 Yes
301-761 WSNGTNZN11 6119 2002-02-27 Yes
301-762 WSNGTNZN10 9212 — —
301-763 WSHNGTNZN5 9212 — —
301-764 WALDORF 9212 — Yes
301-765 WSNGTNZN10 9212 — Yes
301-766 HAGERSTOWN 9212 — —
301-767 WSHNGTNZN2 9212 — Yes
301-768 WSHNGTNZN3 6119 2002-02-27 Yes
301-769 LEONARDTN 9212 — Yes
301-770 WSNGTNZN11 9212 — —
301-771 WSHNGTNZN2 9212 — Yes
301-772 WSHNGTNZN4 9212 — —
301-773 WSHNGTNZN4 9212 — —
301-774 ASHTON236 9212 — —
301-775 WSHNGTNZN3 6395 — —
301-776 LAUREL236 9212 — —
301-777 CUMBERLAND 9212 — Yes
301-778 WSHNGTNZN5 7229 — Yes
301-779 WSHNGTNZN4 9212 — —
301-780 WSNG236Z15 9212 — Yes
301-781 WSHNGTNZN4 624H 2022-05-04 Yes
301-782 BRANDYWINE 9212 — Yes
301-783 CUMBERLAND 071F — —
301-784 CUMBERLAND 9212 — Yes
301-785 WSHNGTNZN3 6395 — —
301-786 MCCOOLE 9212 — Yes
301-787 WSHNGTNZN3 6395 — Yes
301-788 FREDERICK 6395 — —
301-789 WSHNGTNZN4 2593 2002-08-13 Yes
301-790 HAGERSTOWN 9212 — —
301-791 HAGERSTOWN 9212 — —
301-792 WSHNGTNZN3 6855 — —
301-793 WSHNGTNZN3 6855 — —
301-794 WSNG236Z14 9212 — Yes
301-795 WSNGTNZN10 7229 — Yes
301-796 WSNG236Z13 9212 2003-06-30 —
301-797 HAGERSTOWN 9212 — —
301-798 DAMASCS240 9212 — Yes
301-799 KEEDYSVL 2593 2004-03-18 Yes

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.