OCN 649C · Competitive Local Exchange Carrier
Onvoy LLC - CA
d/b/a Neutral Tandem-California LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
21,516
Recent (18 mo)
889
Medium
2,512
Old
15,807
Area codes
39
States
1
Address
2 N La Salle St, Suite 1615
Chicago, IL 60602-3702
2 N La Salle St, Suite 1615
Chicago, IL 60602-3702
Website
Onvoy
Onvoy
First assigned block
2000-12-07
2000-12-07
Last assigned block
2026-03-18
2026-03-18
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Carrier website
sinch.com — opens in a new tab
HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (889) — last 18 mo
- Medium (2,512)
- Old (15,807)
- Undated (2,308)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 21,516 · 889
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - CA'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 |
|---|---|---|---|---|---|
| (840) 287-4637 ★ | BUSINESS | Business | CA | 2025-12-12 | 162,448 |
| (738) 222-3369 ★ | ACADEMY | Education / College | CA | 2025-12-23 | 127,272 |
| (350) 353-2876 ★ | ELECTRONIC | Technical / Electronics / Software | CA | 2025-10-16 | 115,587 |
| (350) 256-8446 ★ | CLOTHING | Clothing / Apparel / Fabric | CA | 2025-12-12 | 113,815 |
| (350) 227-8478 ★ | BAPTIST | Religious / Faith / Church | CA | 2025-08-13 | 111,529 |
| (350) 353-2874 ★ | ELECTRIC | Electrical | CA | 2025-10-16 | 107,752 |
| (350) 227-4825 ★ | CAPITAL | Financial / Banking / Investing | CA | 2025-04-16 | 105,854 |
| (628) 327-4466 ★ | FASHION | Fashion / Cosmetics / Interior Design | CA | 2025-09-03 | 86,584 |
| (279) 266-8765 ★ | CONTROL | Weight Loss / Diet | CA | 2025-10-16 | 84,339 |
| (209) 845-5243 ★ | VILLAGE | Geography / Local / Directions | CA | 2025-09-03 | 77,612 |
| (820) 242-7537 ★ | CHARLES | Male / Masculine Names | CA | 2025-09-18 | 76,704 |
| (738) 222-6366 ★ | ABANDONED | Miscellaneous | CA | 2025-12-23 | 75,221 |
| (442) 468-3763 ★ | INTERNET | Internet Companies | CA | 2024-12-12 | 75,029 |
| (820) 244-5373 ★ | CHILDREN | Children / Daycare / Baby | CA | 2025-10-03 | 65,936 |
| (820) 244-2246 ★ | CHICAGO | Geography / Local / Directions | CA | 2025-10-03 | 56,855 |
| (626) 752-7842 ★ | PLASTIC | Industrial / Manufacturing | CA | 2024-11-22 | 55,538 |
| (951) 752-7842 ★ | PLASTIC | Industrial / Manufacturing | CA | 2026-02-18 | 55,538 |
| (626) 835-3847 ★ | TELEVISION | Entertainment / Events / Theaters | CA | 2025-09-24 | 49,935 |
| (626) 783-7436 ★ | STEPHEN | Names / Nicknames | CA | 2025-08-12 | 44,729 |
| (858) 322-8679 ★ | FACTORY | Industrial / Manufacturing | CA | 2025-09-25 | 43,693 |
| (669) 374-3637 ★ | FRIENDS | Love / Relationship / Family | CA | 2025-10-16 | 41,414 |
| (840) 285-2682 ★ | ATLANTA | Geography / Local / Directions | CA | 2025-09-19 | 41,024 |
| (669) 373-7737 ★ | DRESSES | Clothing / Apparel / Fabric | CA | 2025-10-03 | 39,808 |
| (279) 266-8368 ★ | CONTENT | News / Media / Communications | CA | 2025-10-16 | 38,943 |
| (350) 238-3724 ★ | BEVERAGES | Beverages / Water / Ice | CA | 2025-04-08 | 38,510 |
| (369) 238-3724 ★ | BEVERAGES | Beverages / Water / Ice | CA | 2025-12-11 | 38,510 |
| (341) 247-7678 ★ | AIRPORT | Aviation / Airlines / Flying | CA | 2026-03-12 | 38,110 |
| (820) 247-7678 ★ | AIRPORT | Aviation / Airlines / Flying | CA | 2026-02-18 | 38,110 |
| (925) 839-8453 ★ | TEXTILE | Clothing / Apparel / Fabric | CA | 2026-01-27 | 37,978 |
| (279) 284-5346 ★ | BUILDING | Building / Construction / Contractor | CA | 2025-02-12 | 36,950 |
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 - CA since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (350) 240-2XXX | CA | Turlock | 2026-03-18 |
| (350) 960-4XXX | CA | Wtfr Main | 2026-03-18 |
| (747) 362-7XXX | CA | Van Nuys | 2026-03-18 |
| (747) 499-0XXX | CA | Van Nuys | 2026-03-18 |
| (925) 512-4XXX | CA | Walnut Crk | 2026-03-18 |
| (949) 890-9XXX | CA | Trabuco | 2026-03-18 |
| (310) 731-2XXX | CA | San Pedro | 2026-03-12 |
| (310) 731-3XXX | CA | San Pedro | 2026-03-12 |
| (310) 731-4XXX | CA | San Pedro | 2026-03-12 |
| (310) 731-5XXX | CA | San Pedro | 2026-03-12 |
| (341) 247-6XXX | CA | Richmond | 2026-03-12 |
| (341) 247-7XXX | CA | Richmond | 2026-03-12 |
| (350) 237-6XXX | CA | Patterson | 2026-03-12 |
| (350) 237-7XXX | CA | Patterson | 2026-03-12 |
| (350) 239-1XXX | CA | Los Banos | 2026-03-12 |
| (350) 251-0XXX | CA | Oakdale | 2026-03-12 |
| (408) 830-8XXX | CA | Sunnyvale | 2026-03-12 |
| (424) 548-9XXX | CA | Malibu | 2026-03-12 |
| (530) 248-7XXX | CA | Redding | 2026-03-12 |
| (738) 444-2XXX | CA | Lsan Da 12 | 2026-03-12 |
| (738) 444-3XXX | CA | Lsan Da 12 | 2026-03-12 |
| (738) 800-1XXX | CA | Lsan Da 04 | 2026-03-12 |
| (760) 607-0XXX | CA | Ocsd Crls | 2026-03-12 |
| (760) 759-8XXX | CA | San Marcos | 2026-03-12 |
| (805) 747-0XXX | CA | Snlusobspo | 2026-03-12 |
Area codes
| NPA | Blocks | Recent | Last |
|---|---|---|---|
| 707 | 1,124 | 1 | 2025-09-03 |
| 209 | 1,100 | 20 | 2026-01-27 |
| 530 | 1,082 | 16 | 2026-03-12 |
| 424 | 890 | 74 | 2026-03-12 |
| 213 | 878 | 54 | 2026-03-02 |
| 760 | 768 | 4 | 2026-03-12 |
| 650 | 767 | 32 | 2026-03-02 |
| 951 | 739 | 10 | 2026-02-18 |
| 559 | 736 | 11 | 2026-01-13 |
| 949 | 732 | 58 | 2026-03-18 |
| 805 | 683 | 13 | 2026-03-12 |
| 747 | 670 | 13 | 2026-03-18 |
| 661 | 668 | 8 | 2026-01-30 |
| 442 | 648 | 13 | 2026-01-30 |
| 626 | 624 | 78 | 2026-03-11 |
| 619 | 614 | 7 | 2026-02-18 |
| 510 | 604 | 4 | 2026-03-11 |
| 562 | 587 | 48 | 2026-03-11 |
| 858 | 578 | 39 | 2026-03-12 |
| 909 | 544 | 13 | 2026-03-12 |
| 925 | 538 | 7 | 2026-03-18 |
| 323 | 514 | 18 | 2026-03-02 |
| 415 | 503 | 8 | 2026-03-02 |
| 657 | 487 | — | 2023-10-04 |
| 669 | 487 | 39 | 2026-03-02 |
| 831 | 487 | 9 | 2026-03-12 |
| 628 | 468 | 8 | 2026-03-11 |
| 916 | 453 | 2 | 2025-10-03 |
| 279 | 362 | 10 | 2026-03-02 |
| 818 | 346 | 9 | 2026-03-02 |
| 408 | 339 | 13 | 2026-03-12 |
| 341 | 311 | 19 | 2026-03-12 |
| 714 | 274 | 4 | 2025-07-21 |
| 310 | 234 | 12 | 2026-03-12 |
| 840 | 226 | 38 | 2026-03-12 |
| 820 | 189 | 21 | 2026-03-02 |
| 350 | 171 | 77 | 2026-03-18 |
| 738 | 62 | 62 | 2026-03-12 |
| 369 | 29 | 17 | 2026-03-11 |
States
| State | Blocks | Recent |
|---|---|---|
| CA | 21,516 | 889 |
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 |
|---|---|---|---|---|
| 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 |
| 559F | Neutral Tandem - PR | IL | 169 | 12 |