Utility Telephone UO

VOIP Service

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
3,522
#218 of 481
Change over 4 years
-658
-15.7%
Opportunism Index
0.28%
Harvested 3 / acquired 1,090
Vanity matches
20.6%
Median inventory age
91 mo
7.6 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 3,503 · 99.9%
  • DISCONN 5 · 0.1%

Inventory age buckets

  • 1–3 months 531 · 14.0%
  • 3–12 months 276 · 7.3%
  • 1–2 years 81 · 2.1%
  • 2–5 years 100 · 2.6%
  • 5+ years 2,515 · 66.5%

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
4K3K2K1K02018-032022-112026-04
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

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg507.0
Harvested from disconnect pool9.0
First assigned from spare pool105.0
Reactivated own disconnects9.0

Outbound (numbers lost)

Direct transfer to another RespOrg3,068.0
Standard disconnect aging process (3+ months in DISC)48
Abbreviated disconnect period (1–2 months in DISC)48
Released directly to spare pool24.0

Of the 96 disconnect episodes this RespOrg has sent through aging, 50% were abbreviated (1–2 snapshots in DISC status).

Top direct-transfer sources (INto UO)

RB25.0RingCentral
JY16.0Bandwidth
AU15.0ATL Communications (ATLC)
MY14.0Mayfair Communication (Primetel)
JT11.0Comcast
AW9.0AT&T Long Distance (AT&T)
WL7.0BCM One (BCM-One)
MT7.0Toll Free Management
LG6.0Lumen Technologies (Lumen)
PZ6.0Telepacific (TPX)

Top direct-transfer destinations (OUT of UO)

JY388.0Bandwidth
RI121.0Apeiron
RB59.0RingCentral
AU37.0ATL Communications (ATLC)
LQ16.0Inteliquent
KS16.0Lumen Technologies (Lumen)
QY16.0Inteliquent
LG12.0Lumen Technologies (Lumen)
WL12.0BCM One (BCM-One)
TW8.0Twilio

Top vanity holdings

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.

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