OCN 520K · IP-Enabled Service / VoIP
TDS Metrocom LLC
Part of the TDS group — 109 OCNs across 31 states · 2,370 blocks combined.
Total blocks
396
Recent (18 mo)
11
Medium
8
Old
193
Area codes
12
States
7
Address
525 Junction Rd
Madison, WI 53717-2152
525 Junction Rd
Madison, WI 53717-2152
First assigned block
2001-05-08
2001-05-08
Last assigned block
2025-11-14
2025-11-14
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HQ — Madison, WI
Block portfolio at a glance
By age
- Recent (11) — last 18 mo
- Medium (8)
- Old (193)
- Undated (184)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Wisconsin WI · 369
- Idaho ID · 12
- Montana MT · 7 · 6
- North Carolina NC · 3 · 3
- New Mexico NM · 2 · 2
- Washington WA · 2
- Illinois IL · 1
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from TDS Metrocom LLC'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 |
|---|---|---|---|---|---|
| (575) 349-8873 ★ | FIXTURES | Lighting | NM | 2025-11-14 | 14,958 |
| (406) 268-5337 ★ | BOULDER | Geography / Local / Directions | MT | 2025-09-24 | 9,027 |
| (406) 268-5837 ★ | COULTER | Names / Nicknames | MT | 2025-09-24 | 1,516 |
| (406) 268-5377 ★ | ANTLERS | Hunting / Guns / Ammo | MT | 2025-09-24 | 510 |
| (575) 349-4647 ★ | FIXINGS | Repair / Inspect / Installation | NM | 2025-11-14 | 185 |
| (575) 349-2848 ★ | FIXATIVE | Names / Nicknames | NM | 2025-11-14 | 140 |
| (406) 268-5382 ★ | BOULEVARD | General | MT | 2025-09-24 | 135 |
| (575) 349-2743 ★ | DHYBRID | Automotive | NM | 2025-11-14 | 57 |
| (575) 349-2253 ★ | FIXABLE | Repair / Inspect / Installation | NM | 2025-11-14 | 31 |
| (575) 349-9463 ★ | DIZZINESS | Health Care / Medical | NM | 2025-11-14 | 11 |
| (575) 349-7842 ★ | EGYPTIAN | Geography / Local / Directions | NM | 2025-11-14 | 3 |
| (575) 349-3435 ★ | DIXFIELD | Septic / Sewage | NM | 2025-11-14 | 0 |
Want one of these or something similar? Request the number from this carrier and we'll route the request.
Most recent assignments
Last 18 months — these blocks were issued by TDS Metrocom LLC since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (575) 349-XXXX | NM | Socorro | 2025-11-14 |
| (575) 349-3XXX | NM | Socorro | 2025-11-14 |
| (406) 435-0XXX | MT | Billings | 2025-10-09 |
| (406) 618-XXXX | MT | Missoula | 2025-10-09 |
| (406) 618-2XXX | MT | Missoula | 2025-10-09 |
| (406) 221-9XXX | MT | Butte | 2025-09-24 |
| (406) 268-5XXX | MT | Greatfalls | 2025-09-24 |
| (406) 440-7XXX | MT | Helena | 2025-09-24 |
| (980) 840-4XXX | NC | Troutman | 2025-07-31 |
| (980) 481-XXXX | NC | Mooresvl | 2025-07-29 |
| (980) 481-2XXX | NC | Mooresvl | 2025-07-29 |
Sister OCNs in the TDS group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the TDS group page.