Phone Prefix
(858) 644-XXXX
CA • SNDG MRMS
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SNDG MRMS
Assigned To
TELNYX LLC
OCN
073H
Status
AS
Date Assigned
Nov 02, 2021
Number Range
First Number
(858) 644-0000
Last Number
(858) 644-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
17 reports
17
Total FCC + FTC DNC complaints for numbers in this prefix
Top 16 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (858) 644-4469 8586444469 | 2 |
| 2 | (858) 644-0548 8586440548 | 1 |
| 3 | (858) 644-0575 8586440575 | 1 |
| 4 | (858) 644-1373 8586441373 | 1 |
| 5 | (858) 644-1678 8586441678 | 1 |
| 6 | (858) 644-2649 8586442649 | 1 |
| 7 | (858) 644-3707 8586443707 | 1 |
| 8 | (858) 644-4076 8586444076 | 1 |
| 9 | (858) 644-4251 8586444251 | 1 |
| 10 | (858) 644-4379 8586444379 | 1 |
| 11 | (858) 644-4738 8586444738 | 1 |
| 12 | (858) 644-4775 8586444775 | 1 |
| 13 | (858) 644-4960 8586444960 | 1 |
| 14 | (858) 644-5011 8586445011 | 1 |
| 15 | (858) 644-0447 8586440447 | 1 |
| 16 | (858) 644-5637 8586445637 | 1 |
About This Prefix
Phone numbers starting with (858) 644 are part of the North American Numbering Plan (NANP). The first three digits (858) represent the Area Code (NPA), and the next three digits (644) represent the Central Office Code (NXX) or exchange.
- NPA (858) - Numbering Plan Area, identifies the geographic region
- NXX (644) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)