Phone Prefix
(857) 999-XXXX
MA • CAMBRIDGE
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Carrier Information
NANPA
State
MA
Region
NE
Rate Center
CAMBRIDGE
Assigned To
VONAGE AMERICA LLC
OCN
197D
Status
AS
Date Assigned
Aug 21, 2013
Number Range
First Number
(857) 999-0000
Last Number
(857) 999-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
18 reports
18
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (857) 999-5844 8579995844 | 3 |
| 2 | (857) 999-5044 8579995044 | 2 |
| 3 | (857) 999-3703 8579993703 | 2 |
| 4 | (857) 999-3453 8579993453 | 1 |
| 5 | (857) 999-3458 8579993458 | 1 |
| 6 | (857) 999-3467 8579993467 | 1 |
| 7 | (857) 999-3469 8579993469 | 1 |
| 8 | (857) 999-0948 8579990948 | 1 |
| 9 | (857) 999-3656 8579993656 | 1 |
| 10 | (857) 999-3987 8579993987 | 1 |
| 11 | (857) 999-5840 8579995840 | 1 |
| 12 | (857) 999-3479 8579993479 | 1 |
| 13 | (857) 999-3384 8579993384 | 1 |
| 14 | (857) 999-3437 8579993437 | 1 |
About This Prefix
Phone numbers starting with (857) 999 are part of the North American Numbering Plan (NANP). The first three digits (857) represent the Area Code (NPA), and the next three digits (999) represent the Central Office Code (NXX) or exchange.
- NPA (857) - Numbering Plan Area, identifies the geographic region
- NXX (999) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)