Phone Prefix
(623) 399-XXXX
AZ • PHOENIX
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Carrier Information
NANPA
State
AZ
Region
WE
Rate Center
PHOENIX
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
OCN
6572
Status
AS
Date Assigned
Aug 19, 2005
Number Range
First Number
(623) 399-0000
Last Number
(623) 399-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
19 reports
19
Total FCC + FTC DNC complaints for numbers in this prefix
Top 18 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (623) 399-1942 6233991942 | 2 |
| 2 | (623) 399-1856 6233991856 | 1 |
| 3 | (623) 399-1974 6233991974 | 1 |
| 4 | (623) 399-1982 6233991982 | 1 |
| 5 | (623) 399-1985 6233991985 | 1 |
| 6 | (623) 399-4995 6233994995 | 1 |
| 7 | (623) 399-5976 6233995976 | 1 |
| 8 | (623) 399-6189 6233996189 | 1 |
| 9 | (623) 399-6303 6233996303 | 1 |
| 10 | (623) 399-6386 6233996386 | 1 |
| 11 | (623) 399-6790 6233996790 | 1 |
| 12 | (623) 399-7372 6233997372 | 1 |
| 13 | (623) 399-8416 6233998416 | 1 |
| 14 | (623) 399-9085 6233999085 | 1 |
| 15 | (623) 399-9163 6233999163 | 1 |
| 16 | (623) 399-9463 6233999463 | 1 |
| 17 | (623) 399-1452 6233991452 | 1 |
| 18 | (623) 399-9743 6233999743 | 1 |
About This Prefix
Phone numbers starting with (623) 399 are part of the North American Numbering Plan (NANP). The first three digits (623) represent the Area Code (NPA), and the next three digits (399) represent the Central Office Code (NXX) or exchange.
- NPA (623) - Numbering Plan Area, identifies the geographic region
- NXX (399) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)