Carrier group · IP-Enabled Service / VoIP
MobileSphere
Total blocks
2
Recent (18 mo)
0
Medium
2
Old
0
Member OCNs
1
States
1
Area codes
1
First assigned block
2023-10-18
2023-10-18
Last assigned block
2023-10-18
2023-10-18
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Headquarters: Boston, MA
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (2)
- Old (0)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Massachusetts MA · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
1 OCN roll up under MobileSphere.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 487K | MobileSphere LLC | Boston, MA | IP-Enabled Service / VoIP | 2 | · |