OCN 221F · Competitive Local Exchange Carrier
Onvoy LLC - IA
d/b/a Neutral Tandem-Iowa LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
2,799
Recent (18 mo)
25
Medium
227
Old
2,531
Area codes
5
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
2004-02-04
2004-02-04
Last assigned block
2026-02-11
2026-02-11
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (25) — last 18 mo
- Medium (227)
- Old (2,531)
- Undated (16)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Iowa IA · 2,799 · 25
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - IA'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 |
|---|---|---|---|---|---|
| (563) 444-4929 ★ | HIGHWAY | Geography / Local / Directions | IA | 2025-08-21 | 12,962 |
| (712) 494-4363 ★ | HYGIENE | Bathroom / Toiletries | IA | 2025-12-11 | 4,422 |
| (563) 444-4537 ★ | GIGGLES | Humor / Funny / Jokes | IA | 2025-08-21 | 1,865 |
| (563) 444-4378 ★ | HIGHEST | Superlatives / Positive Adjectives | IA | 2025-08-21 | 1,093 |
| (563) 456-9464 ★ | GLOWING | Cosmetics / Beauty Salons | IA | 2025-10-02 | 1,042 |
| (515) 897-4666 ★ | TYPHOON | Traffic / Weather / Meteorologists | IA | 2025-10-02 | 660 |
| (563) 444-2248 ★ | GIGABIT | Technical / Electronics / Software | IA | 2025-08-21 | 346 |
| (515) 897-3322 ★ | TYPEFACE | Printing / Markers / Pens | IA | 2025-10-02 | 223 |
| (563) 444-4526 ★ | HIGHLAND | Geography / Local / Directions | IA | 2025-08-21 | 192 |
| (563) 444-2684 ★ | GIGANTIC | General | IA | 2025-08-21 | 87 |
| (563) 444-4269 ★ | HIGHBOY | Furniture / Antiques / Upholstery | IA | 2025-08-21 | 36 |
| (563) 444-6567 ★ | GIGOLOS | Sex / Adult / Provocative | IA | 2025-08-21 | 31 |
| (712) 494-6638 ★ | GWINNETT | Home | IA | 2025-12-11 | 29 |
| (563) 444-4272 ★ | GIGHARBOR | Geography | IA | 2025-08-21 | 24 |
| (515) 897-4787 ★ | TYPISTS | Technical / Electronics | IA | 2025-10-02 | 22 |
| (563) 444-4764 ★ | HIGHPOINT | General | IA | 2025-08-21 | 21 |
| (563) 444-8273 ★ | HIGUARD | Office / Administration | IA | 2025-08-21 | 19 |
| (563) 444-4289 ★ | HIGHBUY | Gambling / Casino / Slots | IA | 2025-08-21 | 16 |
| (563) 444-7455 ★ | HIGRILL | Supermarkets / Deli | IA | 2025-08-21 | 14 |
| (563) 444-4287 ★ | HIGHBURY | General | IA | 2025-08-21 | 13 |
| (563) 444-2866 ★ | GIGATON | Brand Names / Brandable | IA | 2025-08-21 | 12 |
| (563) 444-4726 ★ | HIGHSCORE | General | IA | 2025-08-21 | 11 |
| (563) 444-4276 ★ | HIGHBROW | General | IA | 2025-08-21 | 5 |
| (563) 444-4445 ★ | HIGHHILL | Gambling / Casino / Slots | IA | 2025-08-21 | 4 |
| (563) 444-4947 ★ | HIGHWIRE | Gambling / Casino / Slots | IA | 2025-08-21 | 4 |
| (515) 897-6564 ★ | TYPOLOGY | Equestrian / Horses | IA | 2025-10-02 | 4 |
| (563) 444-4966 ★ | HIGHWOOD | Geography / Local / Directions | IA | 2025-08-21 | 2 |
| (563) 444-7867 ★ | IHISTORY | General | IA | 2025-08-21 | 2 |
| (712) 494-6379 ★ | IWINERY | Beverages / Water / Ice | IA | 2025-12-11 | 2 |
| (563) 444-2298 ★ | GIGABYTE | Computer / Hardware | IA | 2025-08-21 | 1 |
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 - IA since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (563) 444-3XXX | IA | Atalissa | 2026-02-11 |
| (319) 407-9XXX | IA | Waverly | 2025-12-17 |
| (319) 502-6XXX | IA | Waterloo | 2025-12-17 |
| (712) 740-1XXX | IA | Sioux City | 2025-12-17 |
| (515) 888-0XXX | IA | Boone | 2025-12-11 |
| (712) 494-XXXX | IA | Le Mars | 2025-12-11 |
| (712) 494-0XXX | IA | Le Mars | 2025-12-11 |
| (319) 502-4XXX | IA | Waterloo | 2025-10-02 |
| (515) 897-3XXX | IA | Des Moines | 2025-10-02 |
| (515) 897-4XXX | IA | Des Moines | 2025-10-02 |
| (515) 897-5XXX | IA | Des Moines | 2025-10-02 |
| (515) 897-6XXX | IA | Des Moines | 2025-10-02 |
| (563) 456-8XXX | IA | Davenport | 2025-10-02 |
| (563) 456-9XXX | IA | Davenport | 2025-10-02 |
| (712) 812-0XXX | IA | Sioux City | 2025-09-18 |
| (515) 390-1XXX | IA | Des Moines | 2025-09-04 |
| (563) 257-1XXX | IA | Davenport | 2025-09-04 |
| (563) 444-XXXX | IA | Atalissa | 2025-08-21 |
| (563) 444-4XXX | IA | Atalissa | 2025-08-21 |
| (563) 444-5XXX | IA | Atalissa | 2025-08-21 |
| (712) 791-XXXX | IA | Sioux City | 2025-04-18 |
| (712) 791-0XXX | IA | Sioux City | 2025-04-18 |
| (515) 655-6XXX | IA | Des Moines | 2025-04-10 |
| (515) 655-9XXX | IA | Des Moines | 2025-04-10 |
| (712) 502-2XXX | IA | Sioux City | 2025-01-08 |
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 |
| 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 |
| 559F | Neutral Tandem - PR | IL | 169 | 12 |