OCN 7534 · Competitive Local Exchange Carrier
Frontier California Inc
d/b/a Verizon California Inc
Part of the Frontier group — 89 OCNs across 30 states · 25,565 blocks combined.
Holding: Verizon Communications Inc
Total blocks
19
Recent (18 mo)
0
Medium
1
Old
5
Area codes
2
States
1
Address
600 Hidden Rdg,
Irving, TX 75038-3809
600 Hidden Rdg,
Irving, TX 75038-3809
Website
frontier.com
frontier.com
First assigned block
2001-09-07
2001-09-07
Last assigned block
2024-03-01
2024-03-01
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HQ — Irving, TX
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (1)
- Old (5)
- Undated (13)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 19
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Frontier California Inc'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 |
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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 Verizon Communications Inc
| OCN | Company | Total | Recent |
|---|---|---|---|
| 7229 | MCImetro Access Transmission Services LLC | 19,828 | 88 |
| 9104 | Verizon New York Inc | 9,244 | 0 |
| 9208 | Verizon Pennsylvania Inc | 5,861 | 0 |
| 9102 | Verizon New England Inc | 5,475 | 0 |
| 9206 | Verizon New Jersey Inc | 5,300 | 0 |
| 9212 | Verizon Maryland Inc | 4,281 | 0 |
| 9213 | Verizon Virginia Inc | 4,025 | 0 |
| 7133 | MCImetro Access Transmission Services LLC - NY | 1,864 | 0 |
| 7240 | MCImetro Access Transmission Services LLC - CA | 1,775 | 0 |
| 8909 | Codetel (DR) | 1,143 | 0 |
| 7279 | MCImetro Access Transmission Services LLC - MI | 1,048 | 0 |
| 7448 | MCI Worldcom Communications Inc - FL | 1,041 | 1 |