Phone Prefix
(628) 477-XXXX
CA • MILLVALLEY
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
MILLVALLEY
Assigned To
IP HORIZON LLC
OCN
515J
Status
AS
Date Assigned
Apr 07, 2021
Number Range
First Number
(628) 477-0000
Last Number
(628) 477-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
27 reports
27
Total FCC + FTC DNC complaints for numbers in this prefix
Top 25 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (628) 477-7228 6284777228 | 2 |
| 2 | (628) 477-0165 6284770165 | 2 |
| 3 | (628) 477-0177 6284770177 | 1 |
| 4 | (628) 477-0179 6284770179 | 1 |
| 5 | (628) 477-0211 6284770211 | 1 |
| 6 | (628) 477-0215 6284770215 | 1 |
| 7 | (628) 477-0239 6284770239 | 1 |
| 8 | (628) 477-0251 6284770251 | 1 |
| 9 | (628) 477-0343 6284770343 | 1 |
| 10 | (628) 477-0365 6284770365 | 1 |
| 11 | (628) 477-0582 6284770582 | 1 |
| 12 | (628) 477-1385 6284771385 | 1 |
| 13 | (628) 477-2635 6284772635 | 1 |
| 14 | (628) 477-3447 6284773447 | 1 |
| 15 | (628) 477-3639 6284773639 | 1 |
| 16 | (628) 477-6870 6284776870 | 1 |
| 17 | (628) 477-7307 6284777307 | 1 |
| 18 | (628) 477-7414 6284777414 | 1 |
| 19 | (628) 477-7536 6284777536 | 1 |
| 20 | (628) 477-7629 6284777629 | 1 |
| 21 | (628) 477-7823 6284777823 | 1 |
| 22 | (628) 477-8675 6284778675 | 1 |
| 23 | (628) 477-0105 6284770105 | 1 |
| 24 | (628) 477-8980 6284778980 | 1 |
| 25 | (628) 477-0161 6284770161 | 1 |
About This Prefix
Phone numbers starting with (628) 477 are part of the North American Numbering Plan (NANP). The first three digits (628) represent the Area Code (NPA), and the next three digits (477) represent the Central Office Code (NXX) or exchange.
- NPA (628) - Numbering Plan Area, identifies the geographic region
- NXX (477) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)