Phone Prefix
(840) 688-XXXX
CA • CRESTLINE
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CRESTLINE
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Dec 01, 2023
Number Range
First Number
(840) 688-0000
Last Number
(840) 688-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 13 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (840) 688-8161 8406888161 | 2 |
| 2 | (840) 688-0721 8406880721 | 1 |
| 3 | (840) 688-1545 8406881545 | 1 |
| 4 | (840) 688-7023 8406887023 | 1 |
| 5 | (840) 688-7148 8406887148 | 1 |
| 6 | (840) 688-7158 8406887158 | 1 |
| 7 | (840) 688-7167 8406887167 | 1 |
| 8 | (840) 688-7227 8406887227 | 1 |
| 9 | (840) 688-7267 8406887267 | 1 |
| 10 | (840) 688-7454 8406887454 | 1 |
| 11 | (840) 688-8305 8406888305 | 1 |
| 12 | (840) 688-0255 8406880255 | 1 |
| 13 | (840) 688-8494 8406888494 | 1 |
About This Prefix
Phone numbers starting with (840) 688 are part of the North American Numbering Plan (NANP). The first three digits (840) represent the Area Code (NPA), and the next three digits (688) represent the Central Office Code (NXX) or exchange.
- NPA (840) - Numbering Plan Area, identifies the geographic region
- NXX (688) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)