OCN 876D · Competitive Local Exchange Carrier
Onvoy LLC - MD
d/b/a Neutral Tandem-Maryland LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
3,090
Recent (18 mo)
253
Medium
607
Old
2,196
Area codes
6
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
2003-10-13
2003-10-13
Last assigned block
2026-01-30
2026-01-30
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (253) — last 18 mo
- Medium (607)
- Old (2,196)
- Undated (34)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Maryland MD · 3,090 · 253
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - MD'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 |
|---|---|---|---|---|---|
| (227) 268-6879 ★ | COUNTRY | Geography / Local / Directions | MD | 2025-01-08 | 107,119 |
| (227) 265-5343 ★ | COLLEGE | Education / College | MD | 2024-12-16 | 61,587 |
| (667) 374-3637 ★ | FRIENDS | Love / Relationship / Family | MD | 2025-01-08 | 41,414 |
| (227) 268-4669 ★ | ANTHONY | Names / Nicknames | MD | 2025-01-08 | 40,551 |
| (227) 274-9662 ★ | ARIZONA | Geography / Local / Directions | MD | 2025-03-13 | 32,545 |
| (227) 268-6245 ★ | COUNCIL | Military / Government / Patriotic | MD | 2025-01-08 | 26,732 |
| (227) 333-3673 ★ | DEFENSE | Martial Arts / Combat | MD | 2025-08-20 | 23,466 |
| (227) 276-5377 ★ | BROKERS | Real Estate / Condos / Apartments | MD | 2025-04-16 | 21,884 |
| (227) 268-7737 ★ | COURSES | Education / College | MD | 2025-01-08 | 21,388 |
| (227) 265-5467 ★ | COLLINS | Names / Nicknames | MD | 2024-12-16 | 20,117 |
| (227) 276-5372 ★ | BROKERAGE | Business / Corporate | MD | 2025-04-16 | 18,394 |
| (227) 272-3539 ★ | BRADLEY | Names / Nicknames | MD | 2025-02-06 | 18,208 |
| (227) 268-4783 ★ | ANTIQUE | Furniture / Antiques / Upholstery | MD | 2025-01-08 | 18,039 |
| (227) 265-5328 ★ | COLLECTION | Credit Repair / Debt Consolidation | MD | 2024-12-16 | 17,448 |
| (227) 284-7463 ★ | CUISINE | Restaurants | MD | 2025-08-13 | 17,359 |
| (227) 268-8537 ★ | BOTTLES | Beverages / Drinks | MD | 2025-01-08 | 17,130 |
| (227) 296-8442 ★ | CYNTHIA | Female / Feminine Names | MD | 2026-01-30 | 16,484 |
| (227) 272-6366 ★ | BRANDON | Brand Names / Brandable | MD | 2025-02-06 | 15,652 |
| (227) 268-6646 ★ | ANTONIO | Male / Masculine Names | MD | 2025-01-08 | 15,365 |
| (227) 772-2842 ★ | PRACTICE | Health Care / Medical / Hospitals | MD | 2025-09-18 | 15,289 |
| (227) 333-3725 ★ | FEDERAL | Military / Government / Patriotic | MD | 2025-08-20 | 14,937 |
| (227) 288-8464 ★ | CUTTING | Verbs / Actions | MD | 2025-08-13 | 14,701 |
| (227) 288-6662 ★ | AUTOMOBILE | Automotive | MD | 2025-08-13 | 14,685 |
| (227) 268-8873 ★ | COUTURE | Fashion / Cosmetics / Interior Design | MD | 2025-01-08 | 14,666 |
| (227) 288-6668 ★ | AUTOMOTIVE | Automotive | MD | 2025-08-13 | 14,269 |
| (227) 666-8262 ★ | MONTANA | Geography / Local / Directions | MD | 2025-12-22 | 14,215 |
| (227) 666-7837 ★ | MONSTER | Scary / Halloween / Dangerous | MD | 2025-12-22 | 13,891 |
| (227) 444-4929 ★ | HIGHWAY | Geography / Local / Directions | MD | 2025-08-20 | 12,962 |
| (667) 667-6464 ★ | MORNING | Calendar / Holidays / Dates | MD | 2025-08-20 | 12,751 |
| (227) 272-2353 ★ | BRACELETS | Jewelry / Diamonds | MD | 2025-02-06 | 11,417 |
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 - MD since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (227) 296-XXXX | MD | Wsngtnzn12 | 2026-01-30 |
| (227) 296-0XXX | MD | Wsngtnzn12 | 2026-01-30 |
| (667) 538-XXXX | MD | Churchvl | 2026-01-27 |
| (667) 538-0XXX | MD | Churchvl | 2026-01-27 |
| (227) 300-0XXX | MD | Ashton236 | 2025-12-31 |
| (443) 443-7XXX | MD | Arbutus | 2025-12-31 |
| (227) 529-XXXX | MD | Gaithersbg | 2025-12-29 |
| (227) 529-0XXX | MD | Gaithersbg | 2025-12-29 |
| (227) 529-9XXX | MD | Gaithersbg | 2025-12-29 |
| (227) 666-XXXX | MD | Frederick | 2025-12-22 |
| (227) 666-0XXX | MD | Frederick | 2025-12-22 |
| (227) 666-6XXX | MD | Frederick | 2025-12-22 |
| (227) 269-6XXX | MD | Wshngtnzn5 | 2025-12-18 |
| (227) 269-7XXX | MD | Wshngtnzn5 | 2025-12-18 |
| (227) 276-5XXX | MD | Wshngtnzn3 | 2025-12-18 |
| (227) 278-3XXX | MD | Waldorf | 2025-12-18 |
| (227) 294-8XXX | MD | Wsng236z13 | 2025-12-18 |
| (227) 294-9XXX | MD | Wsng236z13 | 2025-12-18 |
| (227) 303-2XXX | MD | Wsngtnzn10 | 2025-12-18 |
| (227) 727-4XXX | MD | Wshngtnzn6 | 2025-12-18 |
| (443) 284-0XXX | MD | Waterlo238 | 2025-12-18 |
| (667) 484-6XXX | MD | Westminstr | 2025-12-18 |
| (240) 996-9XXX | MD | Brunswick | 2025-12-17 |
| (301) 712-4XXX | MD | Frederick | 2025-12-17 |
| (667) 493-3XXX | MD | Annapolis | 2025-12-17 |
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 |
| 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 |