Phone Prefix
(443) 537-XXXX
MD • COLUMBIA
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
COLUMBIA
Assigned To
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
OCN
6855
Status
AS
Date Assigned
Sep 30, 2009
Number Range
First Number
(443) 537-0000
Last Number
(443) 537-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 537-9812 4435379812 | 2 |
| 2 | (443) 537-1302 4435371302 | 1 |
| 3 | (443) 537-2420 4435372420 | 1 |
| 4 | (443) 537-9067 4435379067 | 1 |
| 5 | (443) 537-9504 4435379504 | 1 |
| 6 | (443) 537-9722 4435379722 | 1 |
About This Prefix
Phone numbers starting with (443) 537 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (537) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (537) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)