OCN 639C · Competitive Local Exchange Carrier

Onvoy LLC - CT

d/b/a Neutral Tandem-New York LLC

Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.

Total blocks
1,783
Recent (18 mo)
64
Medium
398
Old
1,300
Area codes
4
States
1
Address
2 N La Salle St, Suite 1615
Chicago, IL 60602-3702
Website
Onvoy
First assigned block
2001-01-03
Last assigned block
2026-03-12
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HQ — Chicago, IL

Street view of Onvoy LLC - CT HQ
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Satellite view of Onvoy LLC - CT HQ
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Block portfolio at a glance

By age

Recent: 64Medium: 398Old: 1,300Undated: 211,783blocks
  • Recent (64) — last 18 mo
  • Medium (398)
  • Old (1,300)
  • Undated (21)

Top area codes

Bars show total blocks; red overlay is recent.

475733 / 39860498 / 14959447 / 10203105 / 1

Block assignments by year

01
06
10
12
13
14
15
16
17
18
258 19
335 20
315 21
22
259 23
24
25
26

Best vanity numbers from Onvoy LLC - CT'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.

NumberSpellsCategoryStateBlock issuedScore
(475) 398-7363 EXTREME Superlatives / Positive Adjectives CT 2025-12-12 19,718
(959) 228-4848 ACTIVITIES Recreation / Adventure / Bowling CT 2025-05-12 16,899
(475) 288-8464 CUTTING Verbs / Actions CT 2025-11-05 14,701
(475) 392-4264 EXCHANGE International / Global CT 2025-04-16 13,166
(959) 228-4464 BATHING Bathroom / Toiletries CT 2025-05-12 13,150
(475) 367-9273 FORWARD Verbs / Actions CT 2025-01-08 10,377
(860) 264-3537 ANGELES Geography / Local / Directions CT 2025-12-19 10,264
(860) 789-9537 PUZZLES Toys CT 2025-12-19 9,407
(959) 228-3746 CATERING Parties / DJ / Catering / Events CT 2025-05-12 8,848
(475) 353-6368 ELEMENTS Miscellaneous CT 2025-04-08 7,727
(475) 288-8377 CUTTERS Outdoor / Camping / Landscaping CT 2025-11-05 6,951
(475) 383-7388 EVERETT Geography / Local / Directions CT 2024-11-21 6,634
(959) 228-4766 BATHROOM Bathroom / Toiletries CT 2025-05-12 6,085
(959) 946-7866 WINSTON Names / Nicknames CT 2025-09-18 5,907
(475) 353-6464 FLEMING Names / Nicknames CT 2025-04-08 5,697
(475) 388-8737 FUTURES Financial / Banking / Investing CT 2025-08-13 5,536
(475) 258-2739 ALVAREZ Names / Nicknames CT 2025-09-04 5,424
(475) 383-7625 ETERNAL Religious / Faith / Church CT 2024-11-21 5,061
(475) 398-3762 EXTERNAL General / Generic CT 2025-12-12 4,592
(475) 398-3746 EXTERIOR Painters / Painting CT 2025-12-12 4,352
(475) 383-6464 EVENING Calendar / Holidays / Dates CT 2024-11-21 3,881
(475) 288-8667 BUTTONS Clothing / Apparel / Fabric CT 2025-11-05 3,529
(475) 264-5377 BOILERS Heating / Oil / Gas CT 2025-04-08 2,673
(475) 384-4225 ETHICAL General CT 2024-11-21 2,659
(860) 784-9667 QUIZNOS Education / College CT 2025-09-18 2,653
(475) 392-3553 EXCELLENCE Results / Growth / Trophies CT 2025-04-16 2,513
(959) 228-4667 ACTIONS Verbs / Actions CT 2025-05-12 2,247
(959) 228-3474 CATFISH Fishing / Seafood CT 2025-05-12 2,207
(860) 264-3778 AMHERST Geography / Local / Directions CT 2025-12-19 2,193
(475) 383-6837 FUENTES Names / Nicknames CT 2024-11-21 2,190

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 - CT since 2024-11-12.

Number blockStateRate centerAssigned
(860) 341-0XXX CT Storrs 2026-03-12
(860) 341-9XXX CT Storrs 2026-03-12
(475) 381-2XXX CT Wallingfd 2025-12-19
(860) 264-3XXX CT Simsbury 2025-12-19
(860) 789-9XXX CT Windsorlks 2025-12-19
(203) 842-9XXX CT Norwalk 2025-12-12
(475) 384-7XXX CT New Haven 2025-12-12
(475) 384-9XXX CT New Haven 2025-12-12
(475) 398-XXXX CT Huntington 2025-12-12
(475) 398-0XXX CT Huntington 2025-12-12
(959) 275-1XXX CT Farmington 2025-12-12
(475) 288-8XXX CT Norwalk 2025-11-05
(475) 314-6XXX CT Huntington 2025-11-05
(860) 217-5XXX CT Simsbury 2025-11-05
(475) 384-8XXX CT New Haven 2025-10-14
(475) 369-6XXX CT Huntington 2025-10-02
(475) 381-9XXX CT Wallingfd 2025-10-02
(860) 831-5XXX CT Windsorlks 2025-10-02
(475) 388-2XXX CT Stamford 2025-09-18
(860) 784-9XXX CT Simsbury 2025-09-18
(959) 946-7XXX CT Staffd Spg 2025-09-18
(475) 258-2XXX CT Norwalk 2025-09-04
(959) 595-4XXX CT Southingtn 2025-09-04
(475) 388-8XXX CT Stamford 2025-08-13
(959) 228-3XXX CT Cornwall 2025-05-12

Area codes

NPABlocksRecentLast
475 733 39 2025-12-19
860 498 14 2026-03-12
959 447 10 2025-12-12
203 105 1 2025-12-12

States

StateBlocksRecent
CT 1,783 64

Sister OCNs in the Onvoy group

Same customer-facing carrier, different state-registered OCN. Combined stats are on the Onvoy group page.

OCNCompany name on fileHQ stateTotalRecent
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
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