Phone Prefix
(857) 331-XXXX
MA • CAMBRIDGE
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
MA
Region
NE
Rate Center
CAMBRIDGE
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
OCN
6387
Status
AS
Date Assigned
Jul 23, 2015
Number Range
First Number
(857) 331-0000
Last Number
(857) 331-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (857) 331-6230 8573316230 | 3 |
| 2 | (857) 331-6624 8573316624 | 1 |
| 3 | (857) 331-6896 8573316896 | 1 |
| 4 | (857) 331-7834 8573317834 | 1 |
About This Prefix
Phone numbers starting with (857) 331 are part of the North American Numbering Plan (NANP). The first three digits (857) represent the Area Code (NPA), and the next three digits (331) represent the Central Office Code (NXX) or exchange.
- NPA (857) - Numbering Plan Area, identifies the geographic region
- NXX (331) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)