OnCall RespOrg Svcs OA
- Website: https://oncallresporgsvcs.com/ Domain since 2005 (21y)
- Request form: 800-986-2501
At a glance
Active numbers
6,383
#189 of 481
Change over 4 years
-30,239
-82.6% · #117 of 156
Opportunism Index
0.12%
#106 of 228
Vanity matches
49.4%
#25 of 201
Median inventory age
106 mo
8.8 years since last change
#26 of 201 oldest
#26 of 201 oldest
Sub-codes in use
25
OAK24, OAK49, OAK66, OAK51, OAK37, OAK55 +19
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 6,372 · 100.0%
- RESERVED 1 · 0.0%
Inventory age buckets
- 1–3 months 24 · 0.3%
- 3–12 months 22 · 0.3%
- 1–2 years 247 · 3.2%
- 2–5 years 1,862 · 24.1%
- 5+ years 4,217 · 54.5%
Ages are measured from each number's last change in the Somos registry — that's the most recent activation, transfer, or status move. Not necessarily the date this RespOrg originally acquired it.
Request a manual history review of a specific toll-free number →
Trajectory
Total active inventory
Numbers harvested from disconnect pool that month
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 36,622 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 35,238 | 547 | 3 | 1,931 | 250 | 2 |
| 2018-09 | 30,979 | 333 | 1 | 4,592 | 92 | 11 |
| 2018-10 | 30,915 | 51 | 1 | 115 | 34 | 5 |
| 2018-11 | 30,669 | 40 | 0 | 286 | 22 | 5 |
| 2018-12 | 30,673 | 28 | 0 | 24 | 13 | 3 |
| 2019-01 | 30,601 | 12 | 0 | 84 | 4 | 0 |
| 2019-02 | 31,167 | 619 | 0 | 53 | 19 | 1 |
| 2019-03 | 31,026 | 29 | 1 | 170 | 21 | 0 |
| 2019-04 | 30,928 | 27 | 0 | 125 | 17 | 1 |
| 2019-05 | 30,974 | 54 | 0 | 8 | 20 | 4 |
| 2019-06 | 31,001 | 29 | 0 | 2 | 18 | 0 |
| 2019-08 | 29,383 | 271 | 0 | 1,889 | 90 | 1,845 |
| 2019-09 | 31,256 | 1,897 | 0 | 24 | 1,868 | 1 |
| 2019-10 | 30,425 | 47 | 0 | 878 | 42 | 4 |
| 2019-11 | 30,647 | 232 | 0 | 10 | 31 | 3 |
| 2019-12 | 30,669 | 47 | 0 | 25 | 34 | 12 |
| 2020-01 | 31,323 | 664 | 0 | 10 | 22 | 6 |
| 2020-02 | 42,716 | 11,479 | 1 | 86 | 25 | 0 |
| 2020-03 | 42,719 | 39 | 0 | 36 | 36 | 1 |
| 2020-04 | 42,649 | 27 | 2 | 97 | 23 | 9 |
| 2020-05 | 40,572 | 459 | 0 | 2,536 | 23 | 1 |
| 2020-06 | 41,186 | 629 | 0 | 15 | 582 | 1 |
| 2020-07 | 40,076 | 17 | 0 | 1,127 | 11 | 3 |
| 2020-08 | 39,837 | 123 | 0 | 362 | 113 | 3 |
| 2020-09 | 37,211 | 86 | 0 | 2,712 | 64 | 6 |
| 2020-10 | 33,286 | 30 | 0 | 3,955 | 27 | 1 |
| 2020-11 | 33,823 | 748 | 1 | 211 | 513 | 3 |
| 2020-12 | 32,704 | 5 | 0 | 1,124 | 3 | 16 |
| 2021-01 | 31,469 | 8 | 0 | 1,243 | 5 | 8 |
| 2021-02 | 32,128 | 936 | 0 | 277 | 15 | 0 |
| 2021-03 | 32,999 | 1,116 | 0 | 245 | 32 | 3 |
| 2021-04 | 28,754 | 30 | 0 | 4,275 | 24 | 6 |
| 2021-05 | 28,523 | 20 | 0 | 251 | 18 | 3 |
| 2022-05 | 27,285 | 156 | 0 | 1,394 | 61 | 188 |
| 2022-06 | 27,234 | 68 | 0 | 119 | 68 | 0 |
| 2022-07 | 27,239 | 65 | 0 | 60 | 62 | 1 |
| 2022-08 | 27,361 | 182 | 0 | 60 | 40 | 1 |
| 2022-09 | 27,255 | 14 | 0 | 120 | 11 | 0 |
| 2022-10 | 27,242 | 18 | 0 | 31 | 14 | 1 |
| 2022-11 | 26,321 | 2 | 0 | 923 | 2 | 5 |
| 2022-12 | 16,992 | 4 | 0 | 9,333 | 2 | 0 |
| 2023-01 | 8,268 | 6 | 0 | 8,730 | 5 | 0 |
| 2023-02 | 8,246 | 3 | 0 | 25 | 3 | 1 |
| 2023-03 | 8,113 | 7 | 0 | 140 | 3 | 2 |
| 2023-04 | 8,478 | 383 | 0 | 18 | 380 | 0 |
| 2023-05 | 8,462 | 5 | 0 | 21 | 5 | 5 |
| 2023-06 | 7,389 | 2 | 0 | 1,075 | 2 | 1,005 |
| 2023-07 | 27,239 | 20,250 | 3 | 400 | 1,051 | 330 |
| 2023-08 | 6,890 | 802 | 7 | 21,151 | 660 | 1,106 |
| 2023-09 | 7,717 | 827 | 0 | 0 | 6 | 0 |
| 2023-10 | 7,718 | 4 | 0 | 3 | 2 | 3 |
| 2023-11 | 7,719 | 3 | 0 | 2 | 3 | 2 |
| 2023-12 | 6,902 | 217 | 1 | 1,034 | 154 | 0 |
| 2024-02 | 7,984 | 1,295 | 0 | 213 | 1 | 156 |
| 2024-03 | 7,994 | 11 | 0 | 1 | 8 | 1 |
| 2024-04 | 7,999 | 5 | 0 | 0 | 0 | 0 |
| 2024-05 | 8,098 | 100 | 0 | 1 | 94 | 0 |
| 2024-06 | 8,125 | 27 | 20 | 0 | 2 | 0 |
| 2024-07 | 8,334 | 217 | 2 | 8 | 202 | 0 |
| 2024-08 | 8,337 | 8 | 0 | 5 | 4 | 0 |
| 2024-09 | 8,440 | 103 | 0 | 0 | 82 | 0 |
| 2024-10 | 6,904 | 3 | 0 | 1,539 | 3 | 0 |
| 2024-11 | 7,102 | 202 | 0 | 4 | 198 | 0 |
| 2024-12 | 6,901 | 2 | 0 | 203 | 0 | 0 |
| 2025-01 | 6,903 | 9 | 0 | 7 | 8 | 0 |
| 2025-02 | 6,903 | 3 | 0 | 3 | 1 | 0 |
| 2025-03 | 6,903 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 7,071 | 168 | 3 | 0 | 122 | 0 |
| 2025-05 | 6,947 | 32 | 5 | 156 | 25 | 0 |
| 2025-06 | 6,959 | 19 | 4 | 7 | 3 | 0 |
| 2025-07 | 6,959 | 5 | 0 | 5 | 5 | 0 |
| 2025-08 | 6,973 | 30 | 0 | 16 | 25 | 0 |
| 2025-09 | 6,943 | 1 | 0 | 31 | 0 | 0 |
| 2025-10 | 6,950 | 7 | 0 | 0 | 7 | 0 |
| 2025-11 | 6,950 | 2 | 0 | 2 | 0 | 0 |
| 2025-12 | 6,949 | 0 | 0 | 1 | 0 | 0 |
| 2026-01 | 6,946 | 0 | 0 | 3 | 0 | 0 |
| 2026-02 | 6,483 | 5 | 0 | 468 | 4 | 0 |
| 2026-03 | 6,383 | 13 | 1 | 113 | 10 | 0 |
| 2026-04 | 6,383 | 6 | 1 | 6 | 3 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 3,340.0 |
| Harvested from disconnect pool | 74.0 |
| First assigned from spare pool | 3,814.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 69,714.0 |
| Entered multi-month disconnect (aging) | 0.0 |
| Released directly to spare pool | 3,681.0 |
Top direct-transfer sources (INto OA)
| ND | 1,288.0 | NumberBarn |
| QZ | 146.0 | Resporgs.com |
| GO | 44.0 | Google Voice |
| MY | 36.0 | Mayfair Communication (Primetel) |
| GA | 33.0 | Comet Media |
| YC | 18.0 | Marchex |
| MT | 17.0 | Toll Free Management |
| SO | 14.0 | Signal One |
| IU | 9.0 | Interactive RespOrg Management |
| WA | 6.0 | Wide Voice |
Top direct-transfer destinations (OUT of OA)
| LQ | 9,422.0 | Inteliquent |
| AU | 8,714.0 | ATL Communications (ATLC) |
| ND | 2,945.0 | NumberBarn |
| ZX | 534.0 | Haven Partners (CHP) |
| MY | 431.0 | Mayfair Communication (Primetel) |
| RB | 267.0 | RingCentral |
| RZ | 103.0 | RouteTrust |
| RY | 99.0 | Flotrax (Primetel) |
| SO | 88.0 | Signal One |
| IU | 65.0 | Interactive RespOrg Management |
Top vanity holdings
866COTTONS
866COTTONS
833BASSWIM
833CARRYIN
866PERFECT
800PERFECT
888PERFECT
833INCLUDING
888PLASTER
888PLAQUES
888ARSENAL
888ARSENAL
833SENSING
833PENSING
844ARTICLES
833ORGANIQ
833ORGANIQ
833BLOGGIN
833SECURIM
833SECURIO
833ISSUING
833ISSUING
833FACEMAP
833FACEMAP
833COUNTIN
833COUNTIN
888
833AUTACII
833MEASURING
888INNERIO
800HOMESIN
888HOMESIN
800INNERIO
866DETROIT
833CASSWIN
866BOTTOMS
888SUNRISE
855CUTTING
833AMCLYZH
833JEWELLERY
866BARGAIN
800LABORATORY
833ENERGIE
833ENERGIE
833SLATTER
833PLATTER
833ENROUTE
833ENROUTE
833TALLHER
833TALKIES
833SEIMENS
833REINFOR
833RECEITA
833RECEITA
800INNER QI
800
833FIRMING
833FIRMING
833MICROBI
833MICROAG
Summary
OnCall Resporg Services, LLC (“OnCall”) is an Independent Responsible Organization
About OnCall RespOrg Svcs
OnCall RespOrg Svcs is an independent RespOrg providing toll-free number management services, allowing clients to control routing and switch carriers without changing numbers. It operates as a non-carrier affiliated entity focused solely on RespOrg services from its headquarters in Endicott, NY, United States. No information is available on year founded, parent company, public/private status, or company size.
AI-generated summary (confidence: low), last updated 2026-04-30. Verify against primary sources before quoting.
Contact-form message
with a customer of OnCall RespOrg Svcs