Utility Telecom Group LLC - CA WARM
d/b/a Utility Telephone Inc
Part of the Utility Telephone group. 2 OCNs across 3 states · 1,834 blocks combined.
PO Box 8589
Stockton, CA 95208-0589
utilitytelephone.com
2002-05-09
2023-10-18
Long shot, but worth calling.
Utility Telecom Group LLC - CA issued these blocks a while back. Most of the numbers are probably already with customers, but it's worth calling any you're interested in. If a number isn't in service, it might still be available at Utility Telecom Group LLC - CA or one of their resellers.
About Utility Telephone
Utility Telephone is a competitive local exchange carrier (CLEC) providing voice, internet, data, and unified communications services primarily to businesses in California and Northern Nevada. It operates its own switching and fiber-optic networks with ILEC collocations and focuses on sectors like hospitality, healthcare, and education. The company holds 2 state-level OCNs and has originated 1,834 1,000-number blocks.
- Founded: 1996
- Headquarters: Stockton, CA
- Services: business voice, internet access, hosted UC, MPLS/VPN, fiber transport
Sources: Company Overview - Utility Telecom · Utility Telephone - Company Profile & Staff Directory | ContactOut · Contact - Utility Telecom · Utility Telecom: Home
Toll-free side: Utility Telephone also operates as a toll-free RespOrg (code UOT01). View on resporgs.com →
Carrier website
utilitytelephone.com: opens in a new tab
HQ: Stockton, CA
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (3)
- Old (855)
- Undated (936)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 1,792
- XX XX · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Area codes
| NPA | Blocks | Recent | Last |
|---|---|---|---|
| 805 | 166 | · | 2021-11-15 |
| 661 | 145 | · | 2017-12-08 |
| 760 | 93 | · | 2017-12-06 |
| 209 | 92 | · | 2022-04-25 |
| 949 | 92 | · | 2017-12-22 |
| 562 | 83 | · | 2017-12-06 |
| 707 | 80 | · | 2017-12-19 |
| 626 | 78 | · | 2017-12-11 |
| 530 | 71 | · | 2022-04-19 |
| 650 | 67 | · | 2017-12-19 |
| 310 | 65 | · | 2023-06-22 |
| 323 | 65 | · | 2017-12-15 |
| 909 | 63 | · | 2017-12-19 |
| 831 | 62 | · | 2018-06-28 |
| 818 | 59 | · | 2017-12-08 |
| 415 | 55 | · | 2017-11-29 |
| 951 | 55 | · | 2021-03-10 |
| 408 | 54 | · | 2017-12-15 |
| 213 | 52 | · | 2020-02-13 |
| 510 | 52 | · | 2017-11-29 |
| 925 | 47 | · | 2017-12-07 |
| 714 | 45 | · | 2017-12-19 |
| 559 | 38 | · | 2023-10-18 |
| 916 | 37 | · | 2020-02-21 |
| 619 | 31 | · | 2016-06-03 |
| 858 | 27 | · | 2008-08-19 |
| 424 | 6 | · | 2012-05-30 |
| 442 | 6 | · | 2017-03-30 |
| 747 | 3 | · | 2021-08-31 |
| 544 | 1 | · | · |
| 628 | 1 | · | 2017-05-18 |
| 669 | 1 | · | 2020-06-26 |
| 820 | 1 | · | 2021-07-06 |
| 900 | 1 | · | · |
Sister OCNs in the Utility Telephone group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Utility Telephone group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 811D | Utility Telecom Group LLC - NV | CA | 40 | · |