OCN 4125 · Competitive Local Exchange Carrier
XO Communications Services Inc - MI
d/b/a XO Michigan Inc
Part of the Verizon group — 143 OCNs across 53 states · 236,111 blocks combined.
Holding: Xo Holdings
Total blocks
6
Recent (18 mo)
0
Medium
0
Old
2
Area codes
2
States
1
Address
11111 Sunset Hills Rd
Reston, VA 20190-5327
11111 Sunset Hills Rd
Reston, VA 20190-5327
Website
verizon.com
verizon.com
First assigned block
2013-07-30
2013-07-30
Last assigned block
2013-08-06
2013-08-06
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HQ — Reston, VA
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (2)
- Undated (4)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Michigan MI · 6
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from XO Communications Services Inc - MI'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 |
|---|---|---|---|---|---|
| (564) 266-7269 ★ | COMPANY | Business | WA | 2025-12-05 | 302,351 |
| (656) 266-7269 ★ | COMPANY | Business | FL | 2025-06-24 | 302,351 |
| (839) 266-7269 ★ | COMPANY | Business | SC | 2025-10-23 | 302,351 |
| (564) 266-7883 ★ | COMPUTER | Computer / Hardware | WA | 2025-12-05 | 272,250 |
| (656) 266-7883 ★ | COMPUTER | Computer / Hardware | FL | 2025-06-24 | 272,250 |
| (839) 266-7883 ★ | COMPUTER | Computer / Hardware | SC | 2025-10-23 | 272,250 |
| (657) 797-8367 ★ | SYSTEMS | Technical / Electronics / Software | CA | 2025-01-28 | 226,067 |
| (929) 797-8367 ★ | SYSTEMS | Technical / Electronics / Software | NY | 2024-12-13 | 226,067 |
| (916) 642-4235 ★ | MICHAEL | Male / Masculine Names | CA | 2025-04-07 | 180,365 |
| (629) 337-4467 ★ | DESIGNS | Printing / Markers / Pens | TN | 2025-11-18 | 141,194 |
| (848) 397-7377 ★ | EXPRESS | Mail / Postal Services | NJ | 2025-09-03 | 134,035 |
| (324) 222-3369 ★ | ACADEMY | Education / College | FL | 2026-01-15 | 127,272 |
Want one of these or something similar? Request the number from this carrier and we'll route the request.
Sister OCNs in the Verizon group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Verizon group page.
Sister OCNs under Xo Holdings
| OCN | Company | Total | Recent |
|---|---|---|---|
| 6100 | XO Florida Inc | 29 | 0 |
| 7520 | XO Ohio Inc | 27 | 0 |
| 7341 | XO Communications Services Inc - PA | 23 | 0 |
| 8958 | XO Texas Inc | 23 | 0 |
| 8340 | XO New York Inc | 21 | 0 |
| 7541 | XO Utah Inc | 15 | 0 |
| 8980 | XO Colorado LLC | 14 | 0 |
| 4792 | XO North Carolina Inc | 11 | 0 |
| 4123 | XO New Jersey Inc | 10 | 0 |
| 7521 | XO Nevada LLC | 10 | 0 |
| 7056 | XO Illinois Inc | 9 | 0 |
| 4536 | XO Massachusetts Inc | 5 | 0 |