OCN 4321 · Incumbent Local Exchange Carrier
Ziply Fiber Northwest LLC dba Ziply Fiber
d/b/a Ziply Fiber
Part of the Ziply Fiber group — 10 OCNs across 4 states · 1,868 blocks combined.
Holding: Frontier Communications Corporation
Total blocks
166
Recent (18 mo)
0
Medium
0
Old
5
Area codes
2
States
2
Address
180 S Clinton Ave, 400 Frontier Center
Rochester, NY 14604-1825
180 S Clinton Ave, 400 Frontier Center
Rochester, NY 14604-1825
Website
ziply.com
ziply.com
First assigned block
2011-05-25
2011-05-25
Last assigned block
2014-08-22
2014-08-22
Want a number from Ziply Fiber Northwest LLC dba Ziply Fiber?
Tell us which one — we'll send the request to them and follow up with you.
Request a number →
HQ — Rochester, NY
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (5)
- Undated (161)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Idaho ID · 164
- Washington WA · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Sister OCNs in the Ziply Fiber group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Ziply Fiber group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 4324 | Ziply Fiber Northwest LLC dba Ziply Fiber | NY | 783 | — |
| 4323 | Ziply Fiber Northwest LLC dba Ziply Fiber | NY | 488 | — |
| 4423 | Ziply Fiber Northwest LLC dba Ziply Fiber | NY | 217 | — |
| 4427 | Ziply Fiber Idaho LLC dba Ziply Fiber | NY | 113 | — |
| 3401 | Ziply Fiber Oregon LLC dba Ziply Fiber | NY | 58 | — |
| 4322 | Ziply Fiber Montana LLC dba Ziply Fiber | NY | 21 | — |
| 427K | Ziply Fiber Northwest LLC dba Ziply Fiber | WA | 16 | — |
| 517K | Ziply Fiber Pacific LLC dba Ziply Fiber | WA | 4 | — |
| 015L | Ziply Fiber Pacific LLC dba Ziply Fiber | WA | 2 | — |
Sister OCNs under Frontier Communications Corporation
| OCN | Company | Total | Recent |
|---|---|---|---|
| 9147 | Southern New England Telephone Company dba Frontier Communications of Connecticut | 2,723 | 0 |
| 2319 | Frontier California Inc | 2,618 | 0 |
| 4344 | Frontier Southwest Incorporated dba Frontier Communications of Texas | 2,210 | 2 |
| 0328 | Frontier Florida LLC dba Frontier Communications of Florida | 1,999 | 0 |
| 9214 | Frontier West Virginia Inc | 1,044 | 0 |
| 0096 | Citizens Telecommunications Company of New York Inc dba Frontier Communicatons of New York | 878 | 0 |
| 4324 | Ziply Fiber Northwest LLC dba Ziply Fiber | 783 | 0 |
| 0121 | Frontier Telephone of Rochester Inc | 638 | 0 |
| 1123 | Citizens Telecommunications Company of Minnesota LLC dba Frontier Citizens Communications of MN | 570 | 0 |
| 4420 | Frontier California Inc | 530 | 0 |
| 1183 | Citizens Telecommunications Company of Illinois dba Frontier Citizens Communications of Illinois | 517 | 0 |
| 4323 | Ziply Fiber Northwest LLC dba Ziply Fiber | 488 | 0 |