Alcazar Networks, Inc.
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Alcazar Networks, Inc. Alcazar Networks, Inc. is a nationwide VoIP and ISP provider offering comprehensive technology solutions including wholesale local origination, **toll-free origination**, DID origination, SIP termination, and LNP/LRN services, serving the U… read more ↓
Transfer network
How toll free numbers move between Alcazar Networks, Inc. (AD) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Alcazar Networks, Inc. is highlighted. Open the full interactive map →
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- Website: https://www.alcazarnetworks.com/ Domain since 2003 (23y)
- Phone: (484) 664-2800 via web search: alcazarnetworks.com
At a glance
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 3,105, 91.7%
- TRANSIT 182, 5.4%
- DISCONN 100, 3.0%
Inventory age buckets
- 3–12 months 2,012, 59.2%
- 2–5 years 1,093, 32.2%
Ages are measured from each number's last change in the Somos registry, that's the most recent activation, transfer, or status move. Not necessarily the date this RespOrg originally acquired it.
Request a manual history review of a specific toll free number →
Trajectory
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 3,400 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 4,160 | 766 | 0 | 6 | 343 | 0 |
| 2018-09 | 4,098 | 1 | 0 | 63 | 1 | 0 |
| 2018-10 | 4,041 | 7 | 0 | 64 | 0 | 0 |
| 2018-11 | 4,041 | 2 | 0 | 2 | 2 | 0 |
| 2018-12 | 4,018 | 3 | 0 | 26 | 0 | 0 |
| 2019-01 | 4,007 | 5 | 0 | 16 | 0 | 0 |
| 2019-02 | 4,009 | 2 | 0 | 0 | 0 | 0 |
| 2019-03 | 4,014 | 7 | 0 | 2 | 3 | 0 |
| 2019-04 | 4,060 | 51 | 0 | 5 | 0 | 0 |
| 2019-05 | 3,969 | 4 | 0 | 95 | 0 | 0 |
| 2019-06 | 3,968 | 1 | 0 | 2 | 0 | 0 |
| 2019-08 | 3,693 | 4 | 0 | 279 | 0 | 177 |
| 2019-09 | 5,511 | 1,832 | 0 | 14 | 174 | 0 |
| 2019-10 | 3,850 | 2 | 0 | 1,663 | 1 | 0 |
| 2019-11 | 3,950 | 105 | 0 | 5 | 0 | 0 |
| 2019-12 | 3,951 | 2 | 0 | 1 | 0 | 0 |
| 2020-01 | 3,954 | 3 | 0 | 0 | 0 | 0 |
| 2020-02 | 4,109 | 155 | 0 | 0 | 153 | 0 |
| 2020-03 | 3,950 | 4 | 0 | 163 | 1 | 150 |
| 2020-04 | 3,948 | 4 | 0 | 6 | 0 | 0 |
| 2020-05 | 3,954 | 8 | 0 | 2 | 0 | 0 |
| 2020-06 | 3,960 | 6 | 0 | 0 | 0 | 0 |
| 2020-07 | 3,957 | 1 | 0 | 4 | 0 | 0 |
| 2020-08 | 3,958 | 1 | 0 | 0 | 0 | 0 |
| 2020-09 | 3,956 | 1 | 0 | 3 | 0 | 0 |
| 2020-10 | 3,957 | 1 | 0 | 0 | 0 | 0 |
| 2020-11 | 3,962 | 5 | 0 | 0 | 0 | 0 |
| 2020-12 | 3,938 | 3 | 0 | 27 | 0 | 0 |
| 2021-01 | 3,938 | 0 | 0 | 0 | 0 | 0 |
| 2021-02 | 3,939 | 1 | 0 | 0 | 0 | 0 |
| 2021-03 | 3,946 | 7 | 0 | 0 | 1 | 0 |
| 2021-04 | 3,947 | 1 | 0 | 0 | 0 | 0 |
| 2021-05 | 3,947 | 1 | 0 | 1 | 0 | 0 |
| 2022-05 | 3,890 | 23 | 1 | 80 | 6 | 0 |
| 2022-06 | 3,889 | 0 | 0 | 1 | 0 | 0 |
| 2022-07 | 3,825 | 0 | 0 | 64 | 0 | 0 |
| 2022-08 | 3,824 | 0 | 0 | 1 | 0 | 0 |
| 2022-09 | 3,824 | 0 | 0 | 0 | 0 | 0 |
| 2022-10 | 3,825 | 1 | 0 | 0 | 0 | 0 |
| 2022-11 | 14 | 0 | 0 | 3,811 | 0 | 0 |
| 2022-12 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-01 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-02 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-03 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-04 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-05 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-06 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2023-07 | 3,825 | 3,811 | 0 | 0 | 0 | 0 |
| 2023-08 | 15 | 0 | 0 | 3,810 | 0 | 0 |
| 2023-09 | 3,740 | 3,725 | 0 | 0 | 0 | 0 |
| 2023-10 | 3,739 | 0 | 0 | 1 | 0 | 0 |
| 2023-11 | 3,740 | 1 | 0 | 0 | 0 | 0 |
| 2023-12 | 3,721 | 17 | 0 | 36 | 2 | 0 |
| 2024-02 | 3,748 | 34 | 0 | 7 | 0 | 0 |
| 2024-03 | 3,743 | 0 | 0 | 5 | 0 | 0 |
| 2024-04 | 3,743 | 2 | 0 | 2 | 0 | 0 |
| 2024-05 | 3,743 | 0 | 0 | 0 | 0 | 0 |
| 2024-06 | 3,738 | 1 | 0 | 6 | 0 | 0 |
| 2024-07 | 3,740 | 2 | 0 | 0 | 0 | 0 |
| 2024-08 | 3,740 | 0 | 0 | 0 | 0 | 0 |
| 2024-09 | 3,736 | 0 | 0 | 4 | 0 | 0 |
| 2024-10 | 3,736 | 0 | 0 | 0 | 0 | 0 |
| 2024-11 | 3,736 | 1 | 0 | 1 | 0 | 0 |
| 2024-12 | 3,736 | 0 | 0 | 0 | 0 | 0 |
| 2025-01 | 3,685 | 1 | 0 | 52 | 0 | 0 |
| 2025-02 | 3,685 | 0 | 0 | 0 | 0 | 0 |
| 2025-03 | 3,685 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 3,685 | 0 | 0 | 0 | 0 | 0 |
| 2025-05 | 3,685 | 0 | 0 | 0 | 0 | 0 |
| 2025-06 | 3,680 | 0 | 0 | 5 | 0 | 0 |
| 2025-07 | 3,680 | 0 | 0 | 0 | 0 | 0 |
| 2025-08 | 3,677 | 0 | 0 | 3 | 0 | 0 |
| 2025-09 | 3,680 | 3 | 0 | 0 | 0 | 0 |
| 2025-10 | 3,677 | 0 | 0 | 3 | 0 | 0 |
| 2025-11 | 3,667 | 0 | 0 | 10 | 0 | 0 |
| 2025-12 | 3,666 | 1 | 0 | 2 | 0 | 0 |
| 2026-01 | 3,666 | 0 | 0 | 0 | 0 | 0 |
| 2026-02 | 3,665 | 0 | 0 | 1 | 0 | 0 |
| 2026-03 | 3,664 | 0 | 0 | 1 | 0 | 0 |
| 2026-04 | 3,547 | 0 | 0 | 117 | 0 | 0 |
| 2026-05 | 3,401 | 0 | 0 | 146 | 0 | 0 |
| 2026-06 | 3,401 | 0 | 0 | 0 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 29,793.0 |
| Harvested from disconnect pool | 3.0 |
| First assigned from spare pool | 2,061.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 30,516.0 |
| Standard disconnect aging process (3+ months in DISC) | 119 |
| Abbreviated disconnect period (1–2 months in DISC) | 100 |
| Released directly to spare pool | 981.0 |
Of the 219 disconnect episodes this RespOrg has sent through aging, 46% were abbreviated (1–2 snapshots in DISC status).
Summary
Alcazar Networks is a nationwide VoIP and ISP provider. Conceived in 2003 by ISP veterans seeing a need for the growing VoIP industry, Alcazar Networks' vision was to create a one stop VoIP carrier service, to help mitigate the vast diversification of providers in the VoIP community.
About Alcazar Networks, Inc.
Alcazar Networks, Inc. is a nationwide VoIP and ISP provider offering comprehensive technology solutions including wholesale local origination, **toll-free origination**, DID origination, SIP termination, and LNP/LRN services, serving the US and Canada markets.[1][2][7] Conceived in 2003 by ISP veterans, it operates as a RespOrg (code: ADN01) with direct access to the SOMOS Toll Free National Database and is headquartered in Trexlertown, PA, United States.[1][2][4][7] The company appears to be privately held with no disclosed parent or holding company and limited public information on employee count or revenue.[1][5]
Toll free / RespOrg activity: Alcazar Networks operates as a **RespOrg** (ADN01) with direct access to the SOMOS Toll Free National Database, providing wholesale **toll-free origination** at flat rates (e.g., $0.0125/min via Tier 1 carriers) to minimize porting delays.[2][7] No specific news on toll-free or RespOrg approvals, changes, or regulatory actions found beyond general service offerings.
AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.
Top vanity holdings
Recent news (1)
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FTC Takes Action against Second VoIP Service Provider for Facilitating Illegal Telemarketing Robocalls 2020-12
The Federal Trade Commission (FTC) took action against Alcazar Networks Inc. and its owner Gavin Grabias for facilitating tens of millions of illegal telemarketing robocalls, including calls to numbers on the Do Not Call Registry and with spoofed caller IDs. The settlement imposes a monetary penalty, bars future misconduct, and requires the company to screen customers to prevent the facilitation of illegal telemarketing activities.
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