OCN 850D · Competitive Local Exchange Carrier
Onvoy LLC - DC
d/b/a Neutral Tandem
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
688
Recent (18 mo)
37
Medium
71
Old
576
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
2006-03-09
2006-03-09
Last assigned block
2026-03-19
2026-03-19
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (37) — last 18 mo
- Medium (71)
- Old (576)
- Undated (4)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- District of Columbia DC · 688 · 37
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - DC'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 |
|---|---|---|---|---|---|
| (771) 247-7678 ★ | AIRPORT | Aviation / Airlines / Flying | DC | 2024-11-21 | 38,110 |
| (771) 253-2646 ★ | CLEANING | Cleaning Services / Laundry | DC | 2025-06-25 | 34,776 |
| (771) 253-2674 ★ | CLEANSING | Cleaning Services / Laundry | DC | 2025-06-25 | 6,848 |
| (771) 253-7733 ★ | BLESSED | Religious / Faith / Church | DC | 2025-06-25 | 6,651 |
| (771) 247-5463 ★ | AIRLINE | Aviation / Airlines / Flying | DC | 2024-11-21 | 4,596 |
| (771) 247-6642 ★ | CHRONIC | Pain Related | DC | 2024-11-21 | 3,819 |
| (771) 247-7638 ★ | AIRSOFT | Sports / Athletics | DC | 2024-11-21 | 2,668 |
| (771) 253-7336 ★ | ALFREDO | Male / Masculine Names | DC | 2025-06-25 | 2,658 |
| (771) 253-2244 ★ | BLEACHING | Health Care / Medical | DC | 2025-06-25 | 2,482 |
| (771) 253-6676 ★ | ALFONSO | Names / Nicknames | DC | 2025-06-25 | 2,330 |
| (771) 253-2746 ★ | CLEARING | Rental / Leasing | DC | 2025-06-25 | 2,173 |
| (771) 253-2759 ★ | CLEARLY | Vision / Optometry / Glasses | DC | 2025-06-25 | 1,791 |
| (771) 253-6367 ★ | CLEMENS | Names / Nicknames | DC | 2025-06-25 | 1,512 |
| (771) 253-8467 ★ | BLEVINS | Names / Nicknames | DC | 2025-06-25 | 1,417 |
| (771) 253-6333 ★ | BLENDED | Beverages / Drinks | DC | 2025-06-25 | 1,369 |
| (771) 247-6527 ★ | BIPOLAR | Mental Health / Emotions / Attitude | DC | 2024-11-21 | 1,341 |
| (771) 253-6766 ★ | CLEMSON | Education / College | DC | 2025-06-25 | 1,328 |
| (771) 253-7424 ★ | ALDRICH | Names / Nicknames | DC | 2025-06-25 | 1,288 |
| (771) 247-7275 ★ | AIRPARK | Aviation / Airlines / Flying | DC | 2024-11-21 | 1,184 |
| (771) 249-2773 ★ | BIZARRE | Crazy / Bizarre / Weird | DC | 2025-01-08 | 980 |
| (771) 253-9263 ★ | ALEXANDER | Names / Nicknames | DC | 2025-06-25 | 952 |
| (771) 253-3763 ★ | BLEDSOE | Automotive | DC | 2025-06-25 | 948 |
| (771) 253-6667 ★ | CLEMONS | Names / Nicknames | DC | 2025-06-25 | 921 |
| (771) 253-2726 ★ | CLEARANCE | Retail Stores | DC | 2025-06-25 | 779 |
| (771) 247-7355 ★ | BISSELL | Sales / Call to Action / Marketing | DC | 2024-11-21 | 761 |
| (771) 253-2633 ★ | CLEANED | Cleaning Services / Laundry | DC | 2025-06-25 | 424 |
| (771) 253-2532 ★ | ALFALFA | Supermarkets / Deli | DC | 2025-06-25 | 392 |
| (771) 247-5438 ★ | AIRLIFT | Aviation / Airlines / Flying | DC | 2024-11-21 | 345 |
| (771) 253-6474 ★ | BLEMISH | Cosmetics / Beauty Salons | DC | 2025-06-25 | 329 |
| (771) 253-2733 ★ | CLEARED | General | DC | 2025-06-25 | 318 |
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 Onvoy LLC - DC since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (202) 589-7XXX | DC | Wshngtnzn1 | 2026-03-19 |
| (202) 589-8XXX | DC | Wshngtnzn1 | 2026-03-19 |
| (202) 589-9XXX | DC | Wshngtnzn1 | 2026-03-19 |
| (771) 254-1XXX | DC | Wshngtnzn1 | 2025-10-14 |
| (771) 254-9XXX | DC | Wshngtnzn1 | 2025-10-14 |
| (771) 253-XXXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-0XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-1XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-2XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-3XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-4XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-5XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-6XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-7XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-8XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 253-9XXX | DC | Wshngtnzn1 | 2025-06-25 |
| (771) 252-0XXX | DC | Wshngtnzn1 | 2025-04-08 |
| (771) 252-1XXX | DC | Wshngtnzn1 | 2025-04-08 |
| (771) 251-XXXX | DC | Wshngtnzn1 | 2025-03-13 |
| (771) 251-0XXX | DC | Wshngtnzn1 | 2025-03-13 |
| (771) 251-1XXX | DC | Wshngtnzn1 | 2025-03-13 |
| (771) 251-2XXX | DC | Wshngtnzn1 | 2025-03-13 |
| (771) 251-3XXX | DC | Wshngtnzn1 | 2025-03-13 |
| (771) 251-4XXX | DC | Wshngtnzn1 | 2025-03-13 |
| (771) 251-5XXX | DC | Wshngtnzn1 | 2025-03-13 |
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 |
| 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 |
| 559F | Neutral Tandem - PR | IL | 169 | 12 |