OCN 559F · Competitive Local Exchange Carrier
Neutral Tandem - PR
d/b/a Neutral Tandem-Puerto Rico LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
169
Recent (18 mo)
12
Medium
2
Old
153
Area codes
2
States
1
Address
1 S Wacker Dr, Suite 200
Chicago, IL 60606-4614
1 S Wacker Dr, Suite 200
Chicago, IL 60606-4614
Website
Onvoy
Onvoy
First assigned block
2005-03-09
2005-03-09
Last assigned block
2025-10-02
2025-10-02
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (12) — last 18 mo
- Medium (2)
- Old (153)
- Undated (2)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- PR PR · 169 · 12
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Neutral Tandem - PR'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 |
|---|---|---|---|---|---|
| (787) 476-2379 ★ | GROCERY | Supermarkets / Deli / Groceries | PR | 2025-10-02 | 31,082 |
| (939) 344-8737 ★ | FIGURES | Financial / Banking / Investing | PR | 2025-10-02 | 13,530 |
| (939) 344-8746 ★ | FIGURINES | Retail Stores | PR | 2025-10-02 | 5,352 |
| (787) 965-2632 ★ | YOLANDA | Female / Feminine Names | PR | 2025-10-02 | 2,516 |
| (787) 476-2377 ★ | GROCERS | Supermarkets / Deli / Groceries | PR | 2025-10-02 | 1,044 |
| (787) 476-2374 ★ | GROCERIES | Supermarkets / Deli | PR | 2025-10-02 | 756 |
| (787) 965-2688 ★ | WOLCOTT | Names / Nicknames | PR | 2025-10-02 | 686 |
| (939) 373-9387 ★ | DREYFUS | Names / Nicknames | PR | 2025-10-02 | 323 |
| (787) 476-2537 ★ | IROCKER | Recreation / Adventure / Bowling | PR | 2025-10-02 | 96 |
| (939) 344-8376 ★ | FIGUEROA | Geography | PR | 2025-10-02 | 81 |
| (787) 476-2538 ★ | IPOCKET | Technical / Electronics | PR | 2025-10-02 | 25 |
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 Neutral Tandem - PR since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (787) 476-2XXX | PR | San German | 2025-10-02 |
| (787) 965-2XXX | PR | Vega Baja | 2025-10-02 |
| (939) 293-0XXX | PR | Santurce | 2025-10-02 |
| (939) 309-0XXX | PR | Guayama | 2025-10-02 |
| (939) 309-1XXX | PR | Guayama | 2025-10-02 |
| (939) 309-6XXX | PR | Guayama | 2025-10-02 |
| (939) 344-8XXX | PR | San German | 2025-10-02 |
| (939) 347-1XXX | PR | San German | 2025-10-02 |
| (939) 373-8XXX | PR | Aguadilla | 2025-10-02 |
| (939) 373-9XXX | PR | Aguadilla | 2025-10-02 |
| (939) 427-0XXX | PR | Santurce | 2025-10-02 |
| (939) 427-1XXX | PR | Santurce | 2025-10-02 |
Sister OCNs in the Onvoy group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Onvoy group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 649C | Onvoy LLC - CA | IL | 21,516 | 889 |
| 903C | Onvoy LLC - TX | IL | 15,066 | 595 |
| 937C | Onvoy LLC - FL | IL | 11,145 | 1,122 |
| 384C | Onvoy LLC - NY | IL | 9,958 | 478 |
| 547E | Onvoy LLC - PA | IL | 8,313 | 505 |
| 067D | Onvoy LLC - GA | IL | 6,330 | 279 |
| 543C | Onvoy LLC V - MI | IL | 5,779 | 19 |
| 638E | Onvoy LLC - NC | IL | 5,384 | 321 |
| 637C | Onvoy LLC - NJ | IL | 5,188 | 490 |
| 097D | Onvoy LLC - IN | IL | 4,545 | 176 |
| 892D | Onvoy LLC - MA | IL | 4,351 | — |
| 138E | Onvoy LLC - VA | IL | 4,341 | 380 |
| 604E | Onvoy LLC - AL | IL | 4,230 | 90 |
| 093F | Onvoy LLC - MO | IL | 4,204 | 208 |
| 184D | Onvoy LLC - MN | IL | 3,892 | 9 |
| 225C | Onvoy LLC - WI | IL | 3,477 | 181 |
| 026D | Onvoy LLC - CO | IL | 3,190 | 93 |
| 483E | Onvoy LLC - WA | IL | 3,106 | 3 |
| 876D | Onvoy LLC - MD | IL | 3,090 | 253 |
| 749E | Onvoy LLC - LA | IL | 2,987 | 127 |
| 630E | Onvoy LLC - AZ | IL | 2,936 | 11 |
| 221F | Onvoy LLC - IA | IL | 2,799 | 25 |
| 750E | Onvoy LLC - OR | IL | 2,458 | 126 |
| 409F | Onvoy LLC - OK | IL | 2,425 | 78 |
| 548E | Onvoy LLC - SC | IL | 2,418 | 126 |
| 205F | Onvoy LLC - KS | IL | 2,071 | 74 |
| 639C | Onvoy LLC - CT | IL | 1,783 | 64 |
| 348F | Onvoy LLC - AR | IL | 1,771 | 162 |
| 871E | Onvoy LLC - UT | IL | 1,634 | 57 |
| 549E | Onvoy LLC - NE | IL | 1,524 | 41 |
| 029F | Onvoy LLC - NV | IL | 1,402 | 44 |
| 206F | Onvoy LLC - NM | IL | 1,263 | 46 |
| 449F | Onvoy LLC - WV | IL | 1,168 | 12 |
| 850D | Onvoy LLC - DC | IL | 688 | 37 |
| 451F | Onvoy LLC - VT | IL | 652 | 17 |
| 450F | Onvoy LLC - WY | IL | 626 | 27 |
| 969E | Onvoy LLC - DE | IL | 608 | 27 |
| 452F | Onvoy LLC - ND | IL | 502 | — |
| 977E | Onvoy LLC - RI | IL | 463 | 21 |
| 210H | Onvoy LLC - HI | IL | 365 | 20 |