Liberty Mobile Puerto Rico Inc
d/b/a Centennial Puerto Rico Operations Corporation
Holding: Centennial Communications Corporation
3349 State Route 138, Bldg A
Wall, NJ 07719-9671
centennialcorp.com
2001-04-20
2025-02-03
About Centennial de Puerto Rico
Centennial de Puerto Rico, part of Centennial Communications Corporation, operated as a competitive local exchange carrier (CLEC) and wireless provider in Puerto Rico, offering fiber-based wireline services and PCS to commercial, ISP, carrier, government, and wireless subscribers. It served both business and consumer markets with switched access lines, dedicated circuits, and wireless services across a fiber-optic and microwave network. The company was acquired by AT&T in 2009-2010, after which its operations were integrated into AT&T's network, ending independent operations.
- Parent: AT&T (acquired 2010)
- Headquarters: Wall, NJ
- Services: fiber CLEC, wireless PCS, switched access, dedicated circuits, business telephony
Sources: Centennial Communications Corporation | Encyclopedia.com · AT&T completes acquisition of Centennial Communications · Significant transactions that changed Puerto Rico's wireless ...
Toll-free side: Centennial de Puerto Rico also operates as a toll-free RespOrg (code PRT01). View on resporgs.com →
Numbers by age tier
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Carrier website
centennialcorp.com: opens in a new tab
HQ: Wall, NJ
Block portfolio at a glance
By age
- Recent (1). Last 18 mo
- Medium (0)
- Old (53)
- Undated (489)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- PR PR · 543 · 1
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Most recent assignments
Last 18 months. These blocks were issued by Liberty Mobile Puerto Rico Inc since 2024-11-14.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (939) 709-0XXX | PR | Riopiedras | 2025-02-03 |
Sister OCNs under Centennial Communications Corporation
| OCN | Company | Total | Recent |
|---|---|---|---|
| 6592 | Centennial Puerto Rico Operations Corporation | 0 | 0 |