NPA 833
Opened 2017. The frontier — and filling fast.
About NPA 833
833 launched September 2017 with all 7.98 million numbers fresh in the spare pool. It started at less than 9% in use. Within 8 years it crossed 80%. When 833 fills, the industry will need a new toll-free prefix — likely 822 or 880, both of which have been reserved for that purpose.
Status decomposition over time
Every toll free number sits in exactly one status: working (in active use), assigned (allocated but not yet routing), reserved (held briefly during pickup), disconnect (aging out before returning to spare), transit (mid-port between RespOrgs), unavailable (held by Somos), or suspend. Watch the mix shift as the prefix has matured.
- Working6.2M
- Assigned2K
- Reserved34K
- Disconnect85K
- Transit113K
- Unavail17K
- Suspend0
Fill % over time
Percentage of NPA 833's 7,980,000 (or 7,870,094 for 800) total possible numbers that are currently in use. 100% means every assignable number has been claimed.
Top RespOrgs holding NPA 833
Ten RespOrgs sit on most of NPA 833's working inventory. Click any name for their full profile: trajectory, opportunism index, vanity holdings, and how their NPA mix compares to the industry total above.
| RespOrg | Numbers in NPA 833 | Share of working inventory |
|---|---|---|
| Bandwidth (JY) | 1,350,603 | 21.7% |
| Twilio (TW) | 934,004 | 15.0% |
| Inteliquent (LQ) | 552,607 | 8.9% |
| Verizon Business (VZ) | 337,778 | 5.4% |
| Mayfair Communication (MY) | 317,560 | 5.1% |
| Telnyx (QI) | 253,205 | 4.1% |
| Amazon.com (TZ) | 199,304 | 3.2% |
| Google Voice (GO) | 145,822 | 2.3% |
| Invoca (YV) | 129,243 | 2.1% |
| CallSource (OU) | 124,941 | 2.0% |