707 Area Code: Santa Rosa, California
Area code 707 serves Santa Rosa, Fairfield–Suisun City and Vallejo, California in the Pacific time zone, in service since 1959. Consumers have filed 6,335 unwanted-call complaints against 5,340 different 707 numbers, 1,002 of them with the FTC in the last 30 days. Look up the exact number that called you below.
Area code 707 at a glance
- State
- California
- Main cities
- Santa Rosa, Fairfield–Suisun City, Vallejo, Napa, Petaluma, Vacaville + 65 more
- Counties
- Sonoma County, Solano County, Mendocino County, Napa County + 5 more
- Local time
- —Pacific
- In service since
- 1959
- Split from
- 415
- Overlay code
- 369 (2023)
- Local dialing
- 10 digits (area code + number)
- Exchanges
- 75 rate centers, 785 prefixes
Sources: NANPA area code and central office code records (refreshed weekly); cities and counties matched from US Census Bureau and USGS place names.
Most-reported 707 numbers
Ranked by FTC Do Not Call complaints this month, then all-time FTC and FCC complaints. Only numbers with enough complaints for a full report page are listed. Click one for what it was reported for and where.
What calls from 707 numbers are about
2,809 FTC Do Not Call complaints about 707 numbers since Jul 24. The most common named subject is debt-relief pitches, at 30% of complaints (91% of those were recorded messages). Overall, 69% of callers who answered said the call was a robocall.
FTC complaint subjects
- Other / unspecified1,07138%
- Debt reduction83230%
- Dropped call / no message28310%
- Impostor (government, business, family)1796%
- No subject given1264%
- Warranties & protection plans1154%
- Energy, solar & utilities783%
FCC complaints by call type, last 2 years
- Prerecorded Voice16552%
- Live Voice13142%
- Text Message196%
Live-voice calls are from a person; prerecorded calls are robocalls.
When 707 spam calls come in
29% of complaints that give a call time describe calls between 11am and 2pm. 93% came Monday to Friday, most on Thursdays, the pattern of call-center robocall campaigns that run on business hours. Times are as consumers reported them to the FTC.
By hour of the day
By day of the week
Is it getting worse?
1,126 FTC complaints about 707 numbers in the last four weeks, up 20% on the four weeks before. FCC complaints about 707 numbers peaked in 2018 (518); the FTC's daily Do Not Call data has carried most of the volume since mid-2026.
FTC complaints per week
FCC complaints per year
Years shown as '15 to '26; the current year is partial.
Who gets these calls
Only 46% of the FTC complaints about 707 numbers came from California residents; the most came from Illinois, Florida and Georgia. 707 numbers are being used for nationwide campaigns, so the area code says little about where the caller is.
Where complainants live
- California1,28246%
- Illinois1395%
- Florida1335%
- Georgia1074%
- New Jersey893%
What people with 707 numbers report
People whose own number starts with 707 filed 2,255 FTC complaints since Jul 24. 41% were about calls showing another 707 number. The most common named subject was debt-relief pitches.
Area codes on the calls they reported
- 707 (same code)92141%
- 833 (toll-free)1004%
- 877 (toll-free)824%
- 888 (toll-free)794%
- 855 (toll-free)733%
Likely campaigns using 707 numbers
Groups of numbers that drew the same FTC complaint in the same pattern over the last 60 days. The grouping is statistical and doesn't identify who is calling.
Busiest 707 prefixes this month
FTC complaints in the last 30 days, grouped by the first six digits. When one prefix collects complaints about many different numbers, a campaign is usually cycling through that block. The carrier is who NANPA assigned the prefix to, not who made the calls.
Carriers operating in 707
NANPA has assigned 785 707 prefixes (NPA-NXX central-office codes) across 75 rate centers: 28% to wireless carriers, 72% to landline and VoIP operators; 79% are pooled blocks shared by several carriers. 1 prefix was assigned in the last 12 months (newest 2026-07-30). The carrier holding a prefix is who the number was issued through. It says nothing about who is calling, since caller ID is routinely spoofed.
| Carrier | Type | Prefixes | Rate centers | Newest assignment |
|---|---|---|---|---|
| Pacific Bell (AT&T) | Incumbent landline (ILEC) | 224(29%) | 57 | 2008-03-19 |
| Onvoy (Sinch) | Competitive / VoIP (CLEC) | 96(12%) | 50 | 2026-07-30 |
| AT&T Mobility (New Cingular Wireless PCS) | Wireless | 67(9%) | 21 | 2024-02-20 |
| Level 3 (Lumen) | Competitive / VoIP (CLEC) | 58(7%) | 44 | 2021-12-23 |
| Verizon Wireless (Cellco Partnership) | Wireless | 55(7%) | 19 | 2023-02-17 |
| T-Mobile USA | Wireless | 31(4%) | 11 | 2023-09-28 |
| Metro by T-Mobile (MetroPCS) | Wireless | 28(4%) | 7 | 2018-03-23 |
| Bandwidth.com | Competitive / VoIP (CLEC) | 24(3%) | 20 | 2020-05-08 |
| Teleport Communications America, LLC | Competitive / VoIP (CLEC) | 24(3%) | 20 | 2022-02-08 |
| MCImetro (Verizon Business) | Competitive / VoIP (CLEC) | 21(3%) | 17 | 2021-09-29 |
| UScellular | Wireless | 19(2%) | 11 | 2019-08-26 |
| Ip Horizon LLC | Competitive / VoIP (CLEC) | 17(2%) | 17 | — |
Largest rate centers (exchanges) by prefixes: Santa Rosa (144), Fairfield–Suisun City (56), Vallejo (50), Napa (43), Vacaville (37), Eureka (36), Petaluma (29), Ukiah (22), Benicia (21), Sonoma (16). Source: NANPA Central Office Code Utilized Assignments (public, refreshed weekly).
What to do about calls from 707 numbers
Before you call back
- Debt reduction is the top named complaint here. Don't pay upfront fees for debt relief; the FTC's Telemarketing Sales Rule bans them. Talk to your lender or a nonprofit credit counselor instead. Read about debt-relief robocalls.
- Look up the full number above. A missed call from 707 with no voicemail is usually a robocall; anyone who needs you will leave a message.
- Block repeat callers: iPhone, Android, or your carrier's free filter (Verizon, AT&T, T-Mobile).
Report it in California
- Unwanted sales calls and robocalls: donotcall.gov (FTC). Scams and fraud: ReportFraud.ftc.gov.
- Spoofing, texts and call-blocking problems: FCC consumer complaints.
- State complaints: California Attorney General.
- California formally adopted the FTC's National Do Not Call Registry as its own state list rather than running a separate one, so a single free registration at donotcall.gov covers you. State authorities can still enforce against telemarketers who ignore it, in addition to any federal penalty.
Your FTC and FCC reports are published (without your name or number) in the datasets this page is built from. How to report unwanted calls.
Area code 707: questions answered from the data
Where is area code 707?
Area code 707 serves Santa Rosa, Fairfield–Suisun City and Vallejo, California, covering Sonoma County, Solano County and Mendocino County and 6 more counties. It has been in service since 1959. It was split from area code 415.
What time zone is area code 707 in?
Area code 707 is in the Pacific time zone (UTC−8, or UTC−7 during daylight saving time). The current local time is shown at the top of this page.
Which area codes overlay 707?
369 (in service 2023) serves the same area as 707. New numbers there can be issued with any of these codes, and local calls need all 10 digits. A spoofed call can display any of them.
What are calls from 707 numbers usually about?
Since Jul 24, consumers filed 2,809 FTC Do Not Call complaints about 707 numbers. The most common named subject was debt-relief pitches: 30% of complaints, 91% of them recorded messages. Across all subjects, 69% of callers who answered the question said the call was a robocall.
When do 707 spam calls happen?
29% of the complaints that give a call time describe calls between 11am and 2pm, and 93% came on weekdays, most often on Thursday. Times are as consumers reported them.
Are calls from 707 numbers really local?
Not necessarily. Only 46% of the FTC complaints about 707 numbers came from California residents; the most came from Illinois, Florida and Georgia. 707 numbers are being used for nationwide campaigns, so the area code says little about where the caller is.
Are 707 robocalls increasing?
In the four weeks to Oct 15, consumers filed 1,126 FTC complaints about 707 numbers, 20% more than the four weeks before.
How do I report a 707 scam call in California?
Report unwanted sales calls and robocalls to the FTC at donotcall.gov, and scams to ReportFraud.ftc.gov. The FCC takes complaints at consumercomplaints.fcc.gov. In California, the California Attorney General also handles consumer complaints about scam calls. Reports feed the public data this page is built from.
Overlay and nearby area codes
Sources: FTC Do Not Call complaints (unverified consumer reports), published every weekday and available here from Jul 24; FCC Consumer Complaint Data, public record, imported nightly; NANPA numbering records. A number appearing here means consumers reported calls that displayed it. Caller ID can be spoofed.