The toll free industry, visible.
Look up any toll free number's ownership history (4 years complete, up to 9 years partial), or research the 478 companies that control them.
Enter a toll free number for its history, or a company name for its profile.
What is a RespOrg?
A RespOrg, short for Responsible Organization, is the entity registered with Somos, the national toll free number registry, that manages a specific toll free number. Every active 800/833/844/855/866/877/888 number in North America is controlled by exactly one RespOrg at any given time.
RespOrgs sit between Somos and the phone carriers. Some are carriers themselves (AT&T, Verizon, Twilio, Bandwidth). Others are resellers, aggregators, or specialists who make their money by reserving, brokering, and sometimes harvesting valuable numbers out of the disconnect pool. There are about 478 active RespOrgs today, and this site makes every one of them visible, their scale, behavior, and how numbers flow between them.
Latest update: week ending 7/25/26
Fresh from the Somos national registry, refreshed every week. This is the live state of the toll free pool.
- 85.0% of all toll free numbers in use (47,402,144 in use / 55,750,087 total)
- Total in use: 47,402,144 (down 114,238)
- Total spare: 8,347,943 (up 114,238)
- Numbers retired last week: 254,782 disconnected back into spare
- Growth/week: -114,238. The pool grew (more numbers freed up than claimed).
Top 20 RespOrgs by active numbers
These are the giants. Together the top 20 control most of the industry's 47,414,366 active toll free numbers. Click any card for their 4-year trajectory, vanity holdings, and inbound/outbound flows.
Who's absorbing toll free numbers
The toll free pool is finite, every number absorbed by one category had to come from somewhere else. This chart shows net inventory change per category since each category's first month on record. Bars going up = absorbing numbers; going down = losing them. See all categories →, See groups →
- Misdial Marketing+5,856,572 · now 10,999,748
- Messaging+5,160,308 · now 6,903,615
- VOIP Service+2,108,207 · now 5,562,092
- Small phone company+319,604 · now 799,143
- Medium Sized Resporgs+262,680 · now 961,954
- Enhanced Voicemail Service+221,589 · now 1,808,250
- Telecom Broker+199,613 · now 270,146
- Corporate Client+37,852 · now 915,157
- International+3,505 · now 32,551
- Regional Phone Company-39,829 · now 657,686
- Unknown-43,110 · now 61,544
- Telecom Service Provider-78,754 · now 1,233,768
- Call Center-219,973 · now 2,561,845
- Wireless-270,178 · now 55,364
- Resporg Services-899,763 · now 945,859
- Vanity Biz-1,127,177 · now 1,579,792
- Dormant-2,782,592 · now 853
- Large Telcom-3,595,610 · now 15,421,833
Common questions
How do I find out which RespOrg controls my toll free number?
Use the number lookup at the top of this page, enter the number in any format and we'll show the current RespOrg plus its full 4-year ownership history.
I used to own a number and now it's getting scammy calls. What happened?
When you disconnected the number, it went into an aging pool for 45–90 days. After aging it was released back to Somos's spare pool, where any RespOrg could claim it. Sharks specifically target recognizable numbers the moment they become available. We track exactly which RespOrgs do this (see our Opportunism Index).
Can I switch my toll free number to a different RespOrg?
Yes, as long as you actually own it. Any RespOrg is required to release numbers you own on request. If they won't respond, Somos has a dispute process, and we can point you in the right direction, use Ask a question from any RespOrg's profile.
Why do some RespOrgs have so many numbers?
The industry is dominated by a handful of wholesale carriers (Twilio, Bandwidth, Verizon, AT&T) that each hold millions of numbers serving thousands of customers. On the other end are single-purpose RespOrgs with only a handful of numbers, often for a single company's own use.
Are there sharks in this industry?
Yes, and this site names them. Our Opportunism Index measures how much of a RespOrg's new inventory comes from numbers that were just disconnected by somebody else. Values above 20% indicate harvesting as a primary business model.