Phone Prefix
(707) 721-XXXX
CA • SONOMA
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SONOMA
Carrier
671J-U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
Status
AV
Number Range
First Number
(707) 721-0000
Last Number
(707) 721-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
25 reports
25
Total FCC + FTC DNC complaints for numbers in this prefix
Top 20 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (707) 721-3440 7077213440 | 2 |
| 2 | (707) 721-6533 7077216533 | 2 |
| 3 | (707) 721-2133 7077212133 | 2 |
| 4 | (707) 721-3454 7077213454 | 2 |
| 5 | (707) 721-1991 7077211991 | 2 |
| 6 | (707) 721-3449 7077213449 | 1 |
| 7 | (707) 721-3455 7077213455 | 1 |
| 8 | (707) 721-3457 7077213457 | 1 |
| 9 | (707) 721-3607 7077213607 | 1 |
| 10 | (707) 721-5313 7077215313 | 1 |
| 11 | (707) 721-6118 7077216118 | 1 |
| 12 | (707) 721-6325 7077216325 | 1 |
| 13 | (707) 721-7205 7077217205 | 1 |
| 14 | (707) 721-8304 7077218304 | 1 |
| 15 | (707) 721-1572 7077211572 | 1 |
| 16 | (707) 721-8511 7077218511 | 1 |
| 17 | (707) 721-1681 7077211681 | 1 |
| 18 | (707) 721-3046 7077213046 | 1 |
| 19 | (707) 721-3110 7077213110 | 1 |
| 20 | (707) 721-3426 7077213426 | 1 |
About This Prefix
Phone numbers starting with (707) 721 are part of the North American Numbering Plan (NANP). The first three digits (707) represent the Area Code (NPA), and the next three digits (721) represent the Central Office Code (NXX) or exchange.
- NPA (707) - Numbering Plan Area, identifies the geographic region
- NXX (721) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)