All assignees
800 prefixes in 304 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 304-600 | LETART | 612K | — | Yes |
| 304-601 | LOGAN | 6394 | 2006-02-15 | — |
| 304-602 | RIVESVILLE | 2704 | — | Yes |
| 304-603 | TUNNELTON | 2704 | — | Yes |
| 304-604 | WEIRTON | 2704 | — | Yes |
| 304-605 | WELLSBURG | 2704 | — | Yes |
| 304-606 | BELINGTON | 2704 | — | Yes |
| 304-607 | BRANDYWINE | 2704 | — | Yes |
| 304-608 | BRIDGEPORT | 2704 | — | Yes |
| 304-609 | BUCKHANNON | 2704 | — | Yes |
| 304-610 | CHRLSTNZN1 | 6529 | — | Yes |
| 304-611 | XXXXXXXXXX | MULT | — | — |
| 304-612 | FAIRMONT | 6284 | — | Yes |
| 304-613 | BUCKHANNON | 6284 | — | Yes |
| 304-614 | ELKINS | 6284 | — | Yes |
| 304-615 | PRKRSBGZN1 | 6529 | — | Yes |
| 304-616 | MARTINSBG | 6855 | 2004-03-16 | Yes |
| 304-617 | HNTNGTNZN1 | 6529 | — | Yes |
| 304-618 | SUMMERSVL | 6284 | — | Yes |
| 304-619 | SUMMERSVL | 6284 | — | Yes |
| 304-620 | MARTINSBG | 6855 | — | Yes |
| 304-621 | ELKINS | 6284 | — | Yes |
| 304-622 | CLARKSBURG | 9214 | — | — |
| 304-623 | CLARKSBURG | 9214 | — | Yes |
| 304-624 | CLARKSBURG | 9214 | — | — |
| 304-625 | CLARKSBURG | 9214 | — | Yes |
| 304-626 | CLARKSBURG | 9214 | — | Yes |
| 304-627 | CLARKSBURG | 9214 | — | Yes |
| 304-628 | CAIRO | 0267 | — | — |
| 304-629 | CLARKSBURG | 5562 | — | Yes |
| 304-630 | ELKINS | 4095 | — | — |
| 304-631 | CLARKSBURG | 6597 | — | — |
| 304-632 | GAULEY BDG | 9214 | — | Yes |
| 304-633 | HNTNGTNZN1 | 4036 | — | — |
| 304-634 | HNTNGTNZN1 | 4036 | — | — |
| 304-635 | ELKINS | 9214 | — | Yes |
| 304-636 | ELKINS | 9214 | — | — |
| 304-637 | ELKINS | 9214 | — | — |
| 304-638 | HNTNGTNZN1 | 4036 | — | — |
| 304-639 | WHELNGZON1 | 6394 | — | — |
| 304-640 | MOUNT HOPE | 4036 | — | Yes |
| 304-641 | CLARKSBURG | 4036 | — | — |
| 304-642 | ELKINS | 4036 | — | Yes |
| 304-643 | HARRISVL | 0267 | — | — |
| 304-644 | SUTTON | 4036 | — | Yes |
| 304-645 | LEWISBURG | 9214 | — | Yes |
| 304-646 | LEWISBURG | 4036 | — | — |
| 304-647 | LEWISBURG | 9214 | — | Yes |
| 304-648 | FORT GAY | 9214 | — | Yes |
| 304-649 | BIRCHRIVER | 0270 | — | — |
| 304-650 | WHELNGZON1 | 6394 | — | — |
| 304-651 | SUMMERSVL | 4036 | — | Yes |
| 304-652 | SISTERSVL | 9214 | — | Yes |
| 304-653 | HILLSBORO | 0270 | — | — |
| 304-654 | HNTNGTNZN1 | 4036 | — | — |
| 304-655 | ARNOLDSBG | 0270 | — | — |
| 304-656 | DAVY | 0270 | — | — |
| 304-657 | FAIRMONT | 6701 | — | Yes |
| 304-658 | ANSTED | 9214 | — | Yes |
| 304-659 | PENNSBORO | 9214 | — | Yes |
| 304-660 | HINTON | 6284 | — | Yes |
| 304-661 | LEWISBURG | 6284 | — | Yes |
| 304-662 | WADESTOWN | 0270 | — | — |
| 304-663 | FAYETTEVL | 6284 | — | Yes |
| 304-664 | GILBERT | 9214 | — | Yes |
| 304-665 | BELMONT | 0270 | — | — |
| 304-666 | WEST UNION | 423C | 2010-03-30 | Yes |
| 304-667 | LEWISBURG | 6284 | — | Yes |
| 304-668 | FRANKLIN | 4036 | — | Yes |
| 304-669 | CLARKSBURG | 6284 | — | Yes |
| 304-670 | WEIRTON | 6534 | — | — |
| 304-671 | MARTINSBG | 6284 | — | Yes |
| 304-672 | CLARKSBURG | 6284 | — | Yes |
| 304-673 | BECKLEY | 4036 | — | — |
| 304-674 | PTPLEASANT | 9214 | — | Yes |
| 304-675 | PTPLEASANT | 9214 | — | Yes |
| 304-676 | MARTINSBG | 6284 | — | Yes |
| 304-677 | CLARKSBURG | 6284 | — | Yes |
| 304-678 | SUTTON | 6284 | — | Yes |
| 304-679 | PRKRSBGZN2 | 9214 | — | Yes |
| 304-680 | MORGANTOWN | 6284 | — | Yes |
| 304-681 | GRANTSVL | 9944 | 2023-05-18 | Yes |
| 304-682 | OCEANA | 9214 | — | Yes |
| 304-683 | SOPHIA | 9214 | — | Yes |
| 304-684 | ST MARYS | 0270 | — | Yes |
| 304-685 | MORGANTOWN | 6701 | — | Yes |
| 304-686 | CAMERON | 0270 | — | — |
| 304-687 | LOGAN | 4036 | — | — |
| 304-688 | LOGAN | 4036 | — | Yes |
| 304-689 | SUTTON | 6284 | — | Yes |
| 304-690 | HNTNGTNZN1 | 9214 | — | Yes |
| 304-691 | HNTNGTNZN1 | 9214 | — | Yes |
| 304-692 | MORGANTOWN | 6284 | — | Yes |
| 304-693 | GORMANIA | 9214 | — | Yes |
| 304-694 | FAIRMONT | 6284 | — | Yes |
| 304-695 | CLARKSBURG | 5562 | — | Yes |
| 304-696 | HNTNGTNZN1 | 9214 | — | — |
| 304-697 | HNTNGTNZN1 | 9214 | — | — |
| 304-698 | KINGWOOD | 6284 | — | Yes |
| 304-699 | PRKRSBGZN1 | 9944 | 2001-04-16 | 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.