RespOrg directory

Utility Telephone

VOIP Service

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Utility Telephone Utility Telecom (RespOrg code UOT01) is a private telecommunications company founded in 1996 and headquartered at 4202 Coronado Ave., Stockton, CA, United States. It operates as an integrated communications provider and CLEC, offering servi… read more ↓

Transfer network

How toll free numbers move between Utility Telephone (UO) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Utility Telephone is highlighted. Open the full interactive map →

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Transfer Funnel (acquired at a drop, then moved on) Off-hours fast pickup
Utility Telephone website screenshot
Website, visit, full size
Based in Stockton, CA
Based in Stockton, CA, street view, full size
Based in Stockton, CA
Based in Stockton, CA, satellite, full size

At a glance

Active numbers
3,515
#216 of 481
Change over 4 years
-665
-15.9%
Opportunism Index
0.27%
#196 of 320
Vanity matches
26.8%
Median inventory age
93 mo
7.8 years since last change
Sub-codes in use
1
UOT01

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 3,496, 99.9%
  • DISCONN 5, 0.1%

Inventory age buckets

  • 1–3 months 241, 6.0%
  • 3–12 months 568, 14.3%
  • 1–2 years 82, 2.1%
  • 2–5 years 95, 2.4%
  • 5+ years 2,510, 63.0%

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
4K3K2K1K02018-032022-122026-06
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2018-03 4,180 0 0 0 0 0
2018-06 4,173 48 0 55 16 13
2018-09 4,191 41 0 23 29 5
2018-10 4,193 6 0 4 2 0
2018-11 4,187 10 0 16 9 0
2018-12 4,182 4 0 9 4 0
2019-01 4,174 2 0 10 0 4
2019-02 4,168 16 0 22 7 0
2019-03 4,189 26 0 5 13 0
2019-04 4,196 19 0 12 1 7
2019-05 4,186 4 0 14 0 10
2019-06 4,178 1 0 9 0 0
2019-08 3,938 4 0 244 3 222
2019-09 4,138 205 0 5 203 0
2019-10 4,331 200 0 7 1 1
2019-11 4,325 5 0 11 0 0
2019-12 4,323 4 0 6 1 0
2020-01 4,319 0 0 4 0 1
2020-02 4,330 14 0 3 6 0
2020-03 4,329 0 0 1 0 0
2020-04 4,309 1 0 21 0 2
2020-05 4,305 3 0 7 1 0
2020-06 4,307 39 0 37 0 0
2020-07 4,307 4 0 4 1 0
2020-08 4,316 17 0 8 11 0
2020-09 4,312 4 0 8 1 6
2020-10 4,306 1 0 7 0 0
2020-11 4,289 5 0 22 2 0
2020-12 4,284 4 0 9 0 0
2021-01 4,278 2 0 8 1 1
2021-02 4,268 1 0 11 0 0
2021-03 4,269 8 0 7 3 0
2021-04 4,265 8 0 12 4 0
2021-05 4,256 2 0 11 0 2
2022-05 4,196 70 0 130 8 14
2022-06 4,164 0 0 32 0 0
2022-07 4,156 1 0 9 0 0
2022-08 4,155 4 0 5 0 0
2022-09 4,149 0 0 6 0 0
2022-10 4,149 5 0 5 1 0
2022-11 4,138 2 0 13 0 0
2022-12 4,136 2 0 4 0 0
2023-01 4,155 21 0 2 20 0
2023-02 4,150 1 0 6 0 0
2023-03 4,142 0 0 8 0 0
2023-04 4,139 0 0 3 0 0
2023-05 4,134 0 0 5 0 0
2023-06 4,125 2 0 11 0 0
2023-07 4,156 68 0 37 5 18
2023-08 4,107 42 0 91 18 5
2023-09 4,108 10 0 9 0 0
2023-10 4,096 3 1 15 1 0
2023-11 4,089 1 0 8 0 0
2023-12 3,912 27 1 204 2 4
2024-02 3,960 70 1 22 4 2
2024-03 3,956 1 0 5 0 0
2024-04 3,956 2 0 2 0 0
2024-05 3,952 0 0 4 0 0
2024-06 3,948 0 0 4 0 0
2024-07 3,935 2 0 15 0 0
2024-08 3,935 11 0 11 1 0
2024-09 3,926 1 0 10 0 0
2024-10 3,922 0 0 4 0 0
2024-11 3,919 1 0 4 0 0
2024-12 3,913 0 0 6 0 0
2025-01 3,911 4 0 6 1 0
2025-02 3,873 0 0 38 0 0
2025-03 3,873 0 0 0 0 0
2025-04 3,867 17 0 23 5 0
2025-05 3,644 1 0 224 0 0
2025-06 3,642 1 0 3 0 0
2025-07 3,642 1 0 1 0 0
2025-08 3,623 0 0 19 0 0
2025-09 3,615 0 0 8 0 0
2025-10 3,547 2 0 70 0 0
2025-11 3,550 4 0 1 0 0
2025-12 3,549 1 0 2 0 0
2026-01 3,524 1 0 26 0 0
2026-02 3,523 3 0 4 0 0
2026-03 3,522 0 0 1 0 0
2026-04 3,522 0 0 0 0 0
2026-05 3,517 1 0 6 1 0
2026-06 3,515 0 0 2 0 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg2,106.0
Harvested from disconnect pool9.0
First assigned from spare pool1,158.0
Reactivated own disconnects48.0

Outbound (numbers lost)

Direct transfer to another RespOrg5,288.0
Standard disconnect aging process (3+ months in DISC)115
Abbreviated disconnect period (1–2 months in DISC)56
Released directly to spare pool1,268.0

Of the 171 disconnect episodes this RespOrg has sent through aging, 33% were abbreviated (1–2 snapshots in DISC status).

Top direct-transfer sources (INto UO)

VN193.0thinQ
RB78.0RingCentral
JY47.0Bandwidth
AU42.0ATL Communications (ATLC)
AW41.0AT&T Long Distance (AT&T)
PZ35.0Telepacific (TPX)
IM34.0Integra Telecom (Allstream)
JT25.0Comcast
KS18.0Lumen Technologies (Lumen)
TP16.0VoIP Innovations

Top direct-transfer destinations (OUT of UO)

JY483.0Bandwidth
RI124.0Apeiron
LQ100.0Inteliquent
RB90.0RingCentral
AU89.0ATL Communications (ATLC)
KS76.0Lumen Technologies (Lumen)
RS29.0AccessLine
VN29.0thinQ
QY26.0Inteliquent
GA16.0Comet Media

Summary

Originally a CLEC telecom provider on the West Coast for over 20 years now providing VOIP and DATA services to 5000 businesses.

About Utility Telephone

Utility Telecom (RespOrg code UOT01) is a private telecommunications company founded in 1996 and headquartered at 4202 Coronado Ave., Stockton, CA, United States. It operates as an integrated communications provider and CLEC, offering services including data networking, fiber optic internet, hosted VoIP, unified communications, business phones, and MPLS/VPN transport to over 5,000 business customers in California and Northern Nevada, with 51-100 employees and estimated revenue around $15.6 million.[1][2][3][4]

Toll free / RespOrg activity: No specific news or details found regarding toll-free or RespOrg activity.

AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.

Top vanity holdings

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