All assignees
800 prefixes in 304 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 304-700 | — | — | ||
| 304-701 | SUTTON | 6284 | — | Yes |
| 304-702 | MARTINSBG | 6284 | — | Yes |
| 304-703 | MOOREFIELD | 4036 | 2004-01-23 | Yes |
| 304-704 | ELKINS | 4036 | 2003-10-08 | Yes |
| 304-705 | WELCH | 4095 | 2002-07-17 | — |
| 304-706 | WAYNE | 4095 | 2002-07-17 | — |
| 304-707 | MARTINSBG | 7229 | 2007-02-08 | Yes |
| 304-708 | MT MORRIS | 318J | 2008-07-30 | — |
| 304-709 | CLARKSBURG | 545B | 2005-05-12 | Yes |
| 304-710 | HNTNGTNZN1 | 6394 | 2007-02-08 | Yes |
| 304-711 | XXXXXXXXXX | MULT | — | — |
| 304-712 | BECKLEY | 6394 | 2003-10-24 | Yes |
| 304-713 | BURNSVILLE | 2704 | — | Yes |
| 304-714 | CHESTER | 2704 | — | Yes |
| 304-715 | CLARKSBURG | 2704 | — | Yes |
| 304-716 | PRINCETON | 9944 | 2002-08-15 | Yes |
| 304-717 | RUPERT | 612K | — | Yes |
| 304-718 | ROWLESBURG | 318J | 2022-04-28 | Yes |
| 304-719 | MOUNT HOPE | 4036 | 2008-12-02 | Yes |
| 304-720 | CHRLSTNZN1 | 4095 | — | — |
| 304-721 | CHRLSTNZN5 | 9214 | — | Yes |
| 304-722 | CHRLSTNZN5 | 9214 | — | — |
| 304-723 | WEIRTON | 9214 | — | Yes |
| 304-724 | CHARLES TN | 0270 | — | — |
| 304-725 | CHARLES TN | 0270 | — | — |
| 304-726 | RIDGELEY | 9214 | — | Yes |
| 304-727 | CHRLSTNZN5 | 9214 | — | — |
| 304-728 | CHARLES TN | 0270 | — | — |
| 304-729 | CHRLSTNZN5 | 7849 | — | Yes |
| 304-730 | HNTNGTNZN1 | 6394 | 2003-12-16 | Yes |
| 304-731 | BECKLEY | 6529 | 2001-06-12 | Yes |
| 304-732 | PINEVILLE | 9214 | — | Yes |
| 304-733 | HNTNGTNZN2 | 9214 | — | — |
| 304-734 | EAST BANK | 4095 | — | — |
| 304-735 | EGLON | 0270 | — | — |
| 304-736 | HNTNGTNZN2 | 9214 | — | — |
| 304-737 | WELLSBURG | 9214 | — | Yes |
| 304-738 | RIDGELEY | 9214 | — | Yes |
| 304-739 | FLEMINGTON | 0270 | — | — |
| 304-740 | WEIRTON | 4095 | — | — |
| 304-741 | CHRLSTNZN1 | 6529 | 2001-06-12 | Yes |
| 304-742 | CRAIGSVL | 9214 | — | Yes |
| 304-743 | MILTON | 9214 | — | Yes |
| 304-744 | CHRLSTNZN1 | 9214 | — | — |
| 304-745 | W MILFORD | 9214 | — | Yes |
| 304-746 | CHRLSTNZN1 | 9214 | — | — |
| 304-747 | CHRLSTNZN1 | 9214 | — | Yes |
| 304-748 | WEIRTON | 9214 | — | — |
| 304-749 | MAYSVILLE | 0270 | — | — |
| 304-750 | SUTTON | 4095 | — | — |
| 304-751 | HNTNGTNZN1 | 6529 | 2001-06-12 | Yes |
| 304-752 | LOGAN | 9214 | — | — |
| 304-753 | PETERSTOWN | 9214 | — | Yes |
| 304-754 | HEDGESVL | 9214 | — | Yes |
| 304-755 | CHRLSTNZN6 | 9214 | — | — |
| 304-756 | CHRLSTNZN7 | 9214 | — | Yes |
| 304-757 | SCOTTDEPOT | 9214 | — | — |
| 304-758 | MIDDLEBORN | 9214 | — | Yes |
| 304-759 | CHRLSTNZN6 | 9214 | — | Yes |
| 304-760 | SCOTTDEPOT | 9214 | — | Yes |
| 304-761 | RIPLEY | 5562 | — | Yes |
| 304-762 | UNIONRIDGE | 9214 | — | Yes |
| 304-763 | BECKLEY | 9214 | — | Yes |
| 304-764 | FORT GAY | 4095 | — | — |
| 304-765 | SUTTON | 9214 | — | Yes |
| 304-766 | CHRLSTNZN1 | 9214 | — | — |
| 304-767 | CHRLSTNZN1 | 9214 | — | Yes |
| 304-768 | CHRLSTNZN1 | 9214 | — | — |
| 304-769 | CHRLSTNZN6 | 9214 | — | Yes |
| 304-770 | BECKLEY | 6919 | — | — |
| 304-771 | NEWMRTNSVL | 6534 | 2001-11-19 | Yes |
| 304-772 | UNION | 9214 | — | Yes |
| 304-773 | MASON | 9214 | — | Yes |
| 304-774 | HELEN | 9214 | — | Yes |
| 304-775 | HUNDRED | 0270 | — | — |
| 304-776 | CHRLSTNZN6 | 9214 | — | — |
| 304-777 | CHEAT LAKE | 6534 | 2004-03-16 | Yes |
| 304-778 | BRANCHLAND | 0270 | — | Yes |
| 304-779 | ALLOY | 9214 | — | Yes |
| 304-780 | WHELNGZON1 | 6534 | 2005-11-09 | Yes |
| 304-781 | HNTNGTNZN1 | 4095 | — | — |
| 304-782 | SALEM | 9214 | — | Yes |
| 304-783 | SARDIS | 0270 | — | — |
| 304-784 | LOGAN | 6394 | — | — |
| 304-785 | LOGAN | 6394 | — | — |
| 304-786 | RIPLEY | 4036 | 2014-02-17 | Yes |
| 304-787 | FLAT TOP | 9214 | — | Yes |
| 304-788 | KEYSER | 9214 | — | — |
| 304-789 | TERRA ALTA | 9214 | — | Yes |
| 304-790 | KEYSER | 4036 | — | Yes |
| 304-791 | TERRA ALTA | 4095 | — | — |
| 304-792 | LOGAN | 9214 | — | Yes |
| 304-793 | LEWISBURG | 4095 | — | — |
| 304-794 | WEIRTON | 9214 | — | Yes |
| 304-795 | JOETOWN | 0270 | — | — |
| 304-796 | WALLACE | 0270 | — | — |
| 304-797 | WEIRTON | 9214 | — | — |
| 304-798 | DAYBROOK | 0277 | — | — |
| 304-799 | MARLINTON | 0270 | — | — |
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.