Carrier group · IP-Enabled Service / VoIP
Advanced Telecom Solutions
Total blocks
30
Recent (18 mo)
0
Medium
0
Old
30
Member OCNs
1
States
12
Area codes
13
First assigned block
2018-06-08
2018-06-08
Last assigned block
2021-08-11
2021-08-11
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Headquarters: Bethesda, MD
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (30)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Maryland MD · 4
- Massachusetts MA · 3
- New Jersey NJ · 3
- New York NY · 3
- Pennsylvania PA · 3
- Arizona AZ · 2
- California CA · 2
- Colorado CO · 2
- Florida FL · 2
- Minnesota MN · 2
- Utah UT · 2
- Washington WA · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
1 OCN roll up under Advanced Telecom Solutions.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 181J | Advanced Telecom Solutions LLC | Bethesda, MD | IP-Enabled Service / VoIP | 30 | · |