| EVRTWAXA - Everett Primary Central Office | Everett | United States | 1 | 0 |
| EXA CLS Lynn | Lynn | United States | 1 | 0 |
| EXA Datacenter New York | New York | United States | 2 | 0 |
| Expedient Baltimore - Owings Mills | Baltimore | United States | 1 | 0 |
| Expedient Boston | Medford | United States | 1 | 0 |
| Expedient Cleveland - 151 NEO | Cleveland | United States | 3 | 0 |
| Expedient Cleveland - 152 NEO | Cleveland | United States | 2 | 0 |
| Expedient Columbus - Dublin | Dublin | United States | 4 | 0 |
| Expedient Columbus - Upper Arlington | Upper Arlington | United States | 2 | 0 |
| Expedient Indianapolis | Carmel | United States | 7 | 0 |
| Expedient Memphis | Memphis | United States | 2 | 0 |
| Expedient Phoenix | Phoenix | United States | 1 | 0 |
| Expedient Pittsburgh - Green Tree | Pittsburgh | United States | 0 | 0 |
| Expedient Pittsburgh - Nova Place | Pittsburgh | United States | 2 | 0 |
| EZ Network Systems | Stockton | United States | 1 | 0 |
| FairlawnGig Service Center | Fairlawn | United States | 4 | 0 |
| FedConnect San Francisco | San Francisco | United States | 0 | 0 |
| Fiber Alley 8915 | San Diego | United States | 0 | 0 |
| Fiber Alley 8917 | San Diego | United States | 0 | 0 |
| FiberCloud-Westin1809 | Seattle | United States | 0 | 0 |
| FiberCloud-Westin3205 | Seattle | United States | 0 | 0 |
| Fiberhub LAS1 | Las Vegas | United States | 15 | 0 |
| FiberNet Telecom Group - 60 Hudson St | New York | United States | 6 | 0 |
| FiberNet Telecom Group Newark - 165 Halsey | Newark | United States | 1 | 0 |
| FiberNet Telecom Group New York (111 Eighth Ave) | New York | United States | 1 | 0 |
| FIBERSTATE Salt Lake City (SLC1) | Draper | United States | 24 | 0 |
| FIBERTOWN Bryan Data Center | Bryan | United States | 5 | 0 |
| FIBERTOWN Houston Data Center | Houston | United States | 13 | 0 |
| Fireline Broadband | Santa Fe Springs | United States | 0 | 0 |
| Fireline Data Center | Los Angeles | United States | 1 | 0 |
| FirstLight Regen Hut | Portland | United States | 5 | 0 |
| Flex Data Center | Reston | United States | 2 | 0 |
| Flexential - Atlanta/Alpharetta (ATL3/4) | Alpharetta | United States | 1 | 0 |
| Flexential - Atlanta/Douglasville (ATL5) | Douglasville | United States | 0 | 0 |
| Flexential - Atlanta/Norcross (ATL1/2) | Norcross | United States | 1 | 0 |
| Flexential - Charlotte/North (CLT4/5) | Charlotte | United States | 4 | 0 |
| Flexential - Charlotte/South (CLT1/2/3) | Charlotte | United States | 5 | 0 |
| Flexential - Cincinnati (CIN1/2) | West Chester | United States | 2 | 0 |
| Flexential - Dallas/Downtown (DAL01) | Dallas | United States | 13 | 0 |
| Flexential - Dallas/Plano (DFW01) | Plano | United States | 3 | 0 |
| Flexential - Dallas/Richardson (RCH01) | Richardson | United States | 4 | 0 |
| Flexential - Denver/Aurora (DEN03) | Aurora | United States | 15 | 0 |
| Flexential - Denver/Centennial (DEN05) | Centennial | United States | 3 | 0 |
| Flexential - Denver/Downtown (DEN02) | Denver | United States | 5 | 0 |
| Flexential - Denver/Englewood (DEN11) | Englewood | United States | 9 | 0 |
| Flexential - Fort Lauderdale (FLL1/2) | Fort Lauderdale | United States | 1 | 0 |
| Flexential - Jacksonville (JAX1/2) | Jacksonville | United States | 3 | 0 |
| Flexential - Las Vegas/Downtown (LAS03) | Las Vegas | United States | 6 | 0 |
| Flexential - Las Vegas/Downtown (LAS05) | Las Vegas | United States | 2 | 0 |
| Flexential - Las Vegas/North (LAS04) | North Las Vegas | United States | 11 | 0 |