Phone Prefix
(657) 644-XXXX
CA • CYPRESS
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CYPRESS
Assigned To
TELNYX LLC
OCN
073H
Status
AS
Date Assigned
Jan 28, 2021
Number Range
First Number
(657) 644-0000
Last Number
(657) 644-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
45 reports
45
Total FCC + FTC DNC complaints for numbers in this prefix
Top 34 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (657) 644-4997 6576444997 | 7 |
| 2 | (657) 644-4860 6576444860 | 4 |
| 3 | (657) 644-6818 6576446818 | 2 |
| 4 | (657) 644-5241 6576445241 | 2 |
| 5 | (657) 644-4274 6576444274 | 1 |
| 6 | (657) 644-4278 6576444278 | 1 |
| 7 | (657) 644-6801 6576446801 | 1 |
| 8 | (657) 644-7564 6576447564 | 1 |
| 9 | (657) 644-7737 6576447737 | 1 |
| 10 | (657) 644-9165 6576449165 | 1 |
| 11 | (657) 644-9200 6576449200 | 1 |
| 12 | (657) 644-9258 6576449258 | 1 |
| 13 | (657) 644-9278 6576449278 | 1 |
| 14 | (657) 644-9303 6576449303 | 1 |
| 15 | (657) 644-9357 6576449357 | 1 |
| 16 | (657) 644-9361 6576449361 | 1 |
| 17 | (657) 644-9388 6576449388 | 1 |
| 18 | (657) 644-9415 6576449415 | 1 |
| 19 | (657) 644-9419 6576449419 | 1 |
| 20 | (657) 644-9428 6576449428 | 1 |
| 21 | (657) 644-9436 6576449436 | 1 |
| 22 | (657) 644-9502 6576449502 | 1 |
| 23 | (657) 644-9516 6576449516 | 1 |
| 24 | (657) 644-9565 6576449565 | 1 |
| 25 | (657) 644-9605 6576449605 | 1 |
| 26 | (657) 644-9621 6576449621 | 1 |
| 27 | (657) 644-9658 6576449658 | 1 |
| 28 | (657) 644-9660 6576449660 | 1 |
| 29 | (657) 644-9729 6576449729 | 1 |
| 30 | (657) 644-3459 6576443459 | 1 |
| 31 | (657) 644-9753 6576449753 | 1 |
| 32 | (657) 644-4069 6576444069 | 1 |
| 33 | (657) 644-4081 6576444081 | 1 |
| 34 | (657) 644-4240 6576444240 | 1 |
About This Prefix
Phone numbers starting with (657) 644 are part of the North American Numbering Plan (NANP). The first three digits (657) represent the Area Code (NPA), and the next three digits (644) represent the Central Office Code (NXX) or exchange.
- NPA (657) - Numbering Plan Area, identifies the geographic region
- NXX (644) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)