List of Area Interchanges for Clarksburg - West Virginia
| Prefix | Carrier |
|---|---|
| 304-203 | American Cellular Corporation |
| 304-300 | Ymax Communications Corp Wv |
| 304-326 | Fibernet, Llc |
| 304-423 | Citynet West Virginia, Llc - Wv |
| 304-476 | American Cellular Corporation |
| 304-555 | Frontier West Virginia Inc |
| 304-620 | Verizon West Virginia, Inc. |
| 304-622 | Verizon West Virginia, Inc. - Wv |
| 304-623 | Verizon West Virginia, Inc. - Wv |
| 304-624 | Verizon West Virginia, Inc. - Wv |
| 304-625 | Verizon West Virginia, Inc. - Wv |
| 304-626 | Verizon West Virginia, Inc. - Wv |
| 304-627 | Verizon West Virginia, Inc. - Wv |
| 304-629 | Sprint Spectrum L.P.- Wv |
| 304-631 | Ram Technologies, Inc. - West Virgi |
| 304-641 | American Cellular Corporation |
| 304-669 | United States Cellular Corp. - West |
| 304-672 | United States Cellular Corp. - West |
| 304-677 | United States Cellular Corp. - West |
| 304-695 | Virginia Pcs Alliance, L.C. |
| 304-709 | United States Cellular Corp. - West |
| 304-715 | Gateway Telecom Llc Dba Stratus Wav |
| 304-838 | Virginia Pcs Alliance, L.C. |
| 304-841 | Level 3 Communications, Llc - Va |
| 304-844 | Nextel Partners Operating Corp. |
| 304-918 | Bandwidth Com Clec |
| 304-931 | Level 3 Communications, Llc - Va |
| 304-969 | Ntelos Network Inc Va |
| 304-979 | Sprint Communications Company |
| 681-213 | Shentel Converged Services Of |
| 681-365 | Shentel Converged Services Of |
| 681-404 | New Cingular Wireless Pcs |
| 681-456 | New Cingular Wireless Pcs |
| 681-533 | Bandwidth Com Clec |
| 681-753 | New Cingular Wireless Pcs |
| 681-892 | Shentel Converged Services Of |
| 681-214 | Bandwidth.com CLEC LLC - WV |
| 681-209 | Cellco Partnership dba Verizon Wireless - WV |
| 681-228 | IDT America Corporation - WV |
| 681-231 | Level 3 Communications LLC - WV |
| 681-241 | MCImetro Access Transmission Services LLC - WV |
| 681-256 | Bandwidth.com CLEC LLC - WV |
| 681-288 | Coretel West Virginia Inc - WV |
| 681-298 | New Cingular Wireless PCS LLC - DC |
| 681-312 | Coretel West Virginia Inc - WV |
| 681-320 | Coretel West Virginia Inc - WV |
| 681-321 | Fibernet LLC - WV |
| 681-328 | Aerial Communications Inc |
| 681-375 | Coretel West Virginia Inc - WV |
| 681-399 | IDT America Corporation - WV |
| 681-414 | Teleport Communications America LLC - WV |
| 681-433 | New Cingular Wireless PCS LLC - DC |
| 681-435 | IDT America Corporation - WV |
| 681-441 | Bandwidth.com CLEC LLC - WV |
| 681-443 | Bandwidth.com CLEC LLC - WV |
| 681-448 | Coretel West Virginia Inc - WV |
| 681-477 | Cebridge Telecom WV LLC dba Suddenlink Communications - WV |
| 681-495 | New Cingular Wireless PCS LLC - DC |
| 681-508 | Aerial Communications Inc |
| 681-522 | MetroPCS Inc |
| 681-525 | Cebridge Telecom WV LLC dba Suddenlink Communications - WV |
| 681-622 | Frontier West Virginia Inc |
| 681-667 | Bandwidth.com CLEC LLC - WV |
| 681-668 | New Cingular Wireless PCS LLC - IL |
| 681-731 | Cebridge Telecom WV LLC dba Suddenlink Communications - WV |
| 681-758 | Time Warner Cable Information Services (West Virginia) LLC - WV |
| 681-779 | Bandwidth.com CLEC LLC - WV |
| 681-842 | Frontier West Virginia Inc |