Phone Prefix
(623) 999-XXXX
AZ • PHOENIX
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Carrier Information
NANPA
State
AZ
Region
WE
Rate Center
PHOENIX
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Jan 28, 2014
Number Range
First Number
(623) 999-0000
Last Number
(623) 999-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
39 reports
39
Total FCC + FTC DNC complaints for numbers in this prefix
Top 35 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (623) 999-1566 6239991566 | 2 |
| 2 | (623) 999-9592 6239999592 | 2 |
| 3 | (623) 999-9057 6239999057 | 2 |
| 4 | (623) 999-1927 6239991927 | 2 |
| 5 | (623) 999-1218 6239991218 | 1 |
| 6 | (623) 999-1495 6239991495 | 1 |
| 7 | (623) 999-1524 6239991524 | 1 |
| 8 | (623) 999-1589 6239991589 | 1 |
| 9 | (623) 999-1597 6239991597 | 1 |
| 10 | (623) 999-1737 6239991737 | 1 |
| 11 | (623) 999-1754 6239991754 | 1 |
| 12 | (623) 999-1764 6239991764 | 1 |
| 13 | (623) 999-1770 6239991770 | 1 |
| 14 | (623) 999-1812 6239991812 | 1 |
| 15 | (623) 999-1815 6239991815 | 1 |
| 16 | (623) 999-1851 6239991851 | 1 |
| 17 | (623) 999-1902 6239991902 | 1 |
| 18 | (623) 999-1904 6239991904 | 1 |
| 19 | (623) 999-1919 6239991919 | 1 |
| 20 | (623) 999-1928 6239991928 | 1 |
| 21 | (623) 999-1971 6239991971 | 1 |
| 22 | (623) 999-3202 6239993202 | 1 |
| 23 | (623) 999-8447 6239998447 | 1 |
| 24 | (623) 999-9036 6239999036 | 1 |
| 25 | (623) 999-9176 6239999176 | 1 |
| 26 | (623) 999-9197 6239999197 | 1 |
| 27 | (623) 999-9302 6239999302 | 1 |
| 28 | (623) 999-9367 6239999367 | 1 |
| 29 | (623) 999-9505 6239999505 | 1 |
| 30 | (623) 999-9682 6239999682 | 1 |
| 31 | (623) 999-1006 6239991006 | 1 |
| 32 | (623) 999-9999 6239999999 | 1 |
| 33 | (623) 999-1030 6239991030 | 1 |
| 34 | (623) 999-1115 6239991115 | 1 |
| 35 | (623) 999-1216 6239991216 | 1 |
About This Prefix
Phone numbers starting with (623) 999 are part of the North American Numbering Plan (NANP). The first three digits (623) represent the Area Code (NPA), and the next three digits (999) represent the Central Office Code (NXX) or exchange.
- NPA (623) - Numbering Plan Area, identifies the geographic region
- NXX (999) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)