OCN 4129 · Competitive Local Exchange Carrier
O1 Communications Inc - CA
d/b/a O1 Communications
Part of the O1 Communications group — 2 OCNs across 2 states · 1,270 blocks combined.
Total blocks
1,269
Recent (18 mo)
0
Medium
0
Old
419
Area codes
32
States
1
Address
1515 K St
Sacramento, CA 95814-4051
1515 K St
Sacramento, CA 95814-4051
Website
O1 Communications
O1 Communications
First assigned block
2002-09-16
2002-09-16
Last assigned block
2018-03-28
2018-03-28
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HQ — Sacramento, CA
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (419)
- Undated (850)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 1,269
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Area codes
| NPA | Blocks | Recent | Last |
|---|---|---|---|
| 530 | 168 | — | 2006-08-28 |
| 707 | 127 | — | 2006-09-15 |
| 209 | 100 | — | — |
| 661 | 84 | — | 2006-08-31 |
| 760 | 75 | — | 2016-02-04 |
| 831 | 64 | — | 2015-08-12 |
| 916 | 50 | — | 2009-07-01 |
| 951 | 47 | — | 2006-08-16 |
| 805 | 41 | — | 2005-01-11 |
| 818 | 39 | — | 2006-08-16 |
| 909 | 38 | — | 2006-08-16 |
| 925 | 37 | — | 2003-09-23 |
| 323 | 36 | — | 2017-06-27 |
| 650 | 36 | — | 2015-09-22 |
| 714 | 31 | — | 2016-04-26 |
| 415 | 30 | — | 2015-07-24 |
| 619 | 30 | — | — |
| 424 | 29 | — | 2017-11-07 |
| 626 | 29 | — | 2015-11-20 |
| 510 | 27 | — | 2015-09-04 |
| 408 | 26 | — | 2013-04-19 |
| 858 | 24 | — | — |
| 310 | 22 | — | 2006-08-08 |
| 949 | 22 | — | 2016-05-17 |
| 562 | 19 | — | — |
| 213 | 14 | — | 2017-05-10 |
| 669 | 6 | — | 2015-10-14 |
| 628 | 5 | — | 2017-11-06 |
| 657 | 5 | — | 2016-02-04 |
| 279 | 4 | — | 2018-03-28 |
| 442 | 2 | — | 2015-10-07 |
| 747 | 2 | — | 2016-02-04 |
States
| State | Blocks | Recent |
|---|---|---|
| CA | 1,269 | — |
Sister OCNs in the O1 Communications group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the O1 Communications group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 844G | O1 Communications East LLC - GA | CA | 1 | — |