Phone Prefix
(443) 307-XXXX
MD • BEL AIR
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
BEL AIR
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OCN
6395
Status
AS
Date Assigned
Nov 12, 2024
Number Range
First Number
(443) 307-0000
Last Number
(443) 307-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 307-6710 4433076710 | 2 |
| 2 | (443) 307-2927 4433072927 | 1 |
| 3 | (443) 307-5091 4433075091 | 1 |
| 4 | (443) 307-6084 4433076084 | 1 |
| 5 | (443) 307-6862 4433076862 | 1 |
| 6 | (443) 307-7290 4433077290 | 1 |
| 7 | (443) 307-9357 4433079357 | 1 |
| 8 | (443) 307-0153 4433070153 | 1 |
| 9 | (443) 307-9998 4433079998 | 1 |
About This Prefix
Phone numbers starting with (443) 307 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (307) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (307) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)