Phone Prefix
(443) 509-XXXX
MD • BALTIMORE
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
BALTIMORE
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OCN
6395
Status
AS
Date Assigned
Feb 10, 2009
Number Range
First Number
(443) 509-0000
Last Number
(443) 509-9999
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 | (443) 509-0298 4435090298 | 1 |
| 2 | (443) 509-1332 4435091332 | 1 |
| 3 | (443) 509-3150 4435093150 | 1 |
| 4 | (443) 509-4262 4435094262 | 1 |
| 5 | (443) 509-5184 4435095184 | 1 |
| 6 | (443) 509-5714 4435095714 | 1 |
| 7 | (443) 509-5750 4435095750 | 1 |
| 8 | (443) 509-9268 4435099268 | 1 |
About This Prefix
Phone numbers starting with (443) 509 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (509) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (509) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)