Phone Prefix
(443) 545-XXXX
MD • COLUMBIA
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
COLUMBIA
Assigned To
ONVOY, LLC - MD
OCN
876D
Status
AS
Date Assigned
Aug 30, 2021
Number Range
First Number
(443) 545-0000
Last Number
(443) 545-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
22 reports
22
Total FCC + FTC DNC complaints for numbers in this prefix
Top 18 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 545-7039 4435457039 | 4 |
| 2 | (443) 545-1763 4435451763 | 2 |
| 3 | (443) 545-0413 4435450413 | 1 |
| 4 | (443) 545-0845 4435450845 | 1 |
| 5 | (443) 545-3085 4435453085 | 1 |
| 6 | (443) 545-3502 4435453502 | 1 |
| 7 | (443) 545-4343 4435454343 | 1 |
| 8 | (443) 545-5428 4435455428 | 1 |
| 9 | (443) 545-5994 4435455994 | 1 |
| 10 | (443) 545-7044 4435457044 | 1 |
| 11 | (443) 545-7093 4435457093 | 1 |
| 12 | (443) 545-7503 4435457503 | 1 |
| 13 | (443) 545-7658 4435457658 | 1 |
| 14 | (443) 545-8265 4435458265 | 1 |
| 15 | (443) 545-8707 4435458707 | 1 |
| 16 | (443) 545-0116 4435450116 | 1 |
| 17 | (443) 545-9723 4435459723 | 1 |
| 18 | (443) 545-0155 4435450155 | 1 |
About This Prefix
Phone numbers starting with (443) 545 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (545) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (545) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)