Phone Prefix
(623) 521-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
RT
Number Range
First Number
(623) 521-0000
Last Number
(623) 521-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
8 reports
8
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (623) 521-2117 6235212117 | 1 |
| 2 | (623) 521-2675 6235212675 | 1 |
| 3 | (623) 521-3019 6235213019 | 1 |
| 4 | (623) 521-3545 6235213545 | 1 |
| 5 | (623) 521-5034 6235215034 | 1 |
| 6 | (623) 521-5290 6235215290 | 1 |
| 7 | (623) 521-7944 6235217944 | 1 |
| 8 | (623) 521-8218 6235218218 | 1 |
About This Prefix
Phone numbers starting with (623) 521 are part of the North American Numbering Plan (NANP). The first three digits (623) represent the Area Code (NPA), and the next three digits (521) represent the Central Office Code (NXX) or exchange.
- NPA (623) - Numbering Plan Area, identifies the geographic region
- NXX (521) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)