OCN 3402 · Incumbent Local Exchange Carrier
Citizens Telecommunications Company of California Inc dba Frontier Communications of California
d/b/a Frontier Communications of the Golden State
Part of the Frontier group — 89 OCNs across 30 states · 25,565 blocks combined.
Holding: Citizens Communications Company
Total blocks
40
Recent (18 mo)
0
Medium
0
Old
1
Area codes
2
States
1
Address
180 S Clinton Ave, 400 Frontier Center
Rochester, NY 14604-1825
180 S Clinton Ave, 400 Frontier Center
Rochester, NY 14604-1825
Website
frontier.com
frontier.com
First assigned block
2010-03-31
2010-03-31
Last assigned block
2010-03-31
2010-03-31
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HQ — Rochester, NY
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (1)
- Undated (39)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 40
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Citizens Telecommunications Company of California Inc dba Frontier Communications of California's recent issuances
Numbers in blocks issued in the last 18 months whose digits spell a useful word. Filter by state and category to find one for your business. ★ marks Mike's curated standouts.
| Number | Spells | Category | State | Block issued | Score |
|---|---|---|---|---|---|
| (945) 368-4527 ★ | DOUGLAS | Male / Masculine Names | TX | 2025-02-04 | 34,135 |
| (945) 368-4468 ★ | DOUGHNUTS | Supermarkets / Deli / Groceries | TX | 2025-02-04 | 294 |
| (945) 368-4687 ★ | ENVIOUS | Home | TX | 2025-02-04 | 267 |
| (945) 368-4746 ★ | ENVISION | Vision / Optometry / Glasses | TX | 2025-02-04 | 217 |
| (945) 368-4735 ★ | ENTIRELY | General | TX | 2025-02-04 | 134 |
| (945) 368-4766 | ENVIRON | Technical / Electronics / Software | TX | 2025-02-04 | 51,492 |
| (945) 368-4853 | ENTITLE | Insurance | TX | 2025-02-04 | 2,086 |
Want one of these or something similar? Request the number from this carrier and we'll route the request.
Sister OCNs in the Frontier group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Frontier group page.
Sister OCNs under Citizens Communications Company
| OCN | Company | Total | Recent |
|---|---|---|---|
| 1102 | Citizens Telecommunications Company of the Golden State | 0 | 0 |
| 7467 | New Op Communications Corporation dba Ogden Telephone (Long Dist) | 0 | 0 |
| 7866 | Electric Light Wave - NV | 0 | 0 |
| 903F | Frontier Mobile LLC | 0 | 0 |