Phone Prefix
(443) 231-XXXX
MD • ESSEX
Search Number in This Prefix
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
ESSEX
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - MD
OCN
6119
Status
AS
Date Assigned
Feb 01, 2005
Number Range
First Number
(443) 231-0000
Last Number
(443) 231-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
41 reports
41
Total FCC + FTC DNC complaints for numbers in this prefix
Top 34 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 231-3705 4432313705 | 7 |
| 2 | (443) 231-0803 4432310803 | 1 |
| 3 | (443) 231-2392 4432312392 | 1 |
| 4 | (443) 231-2634 4432312634 | 1 |
| 5 | (443) 231-3082 4432313082 | 1 |
| 6 | (443) 231-3161 4432313161 | 1 |
| 7 | (443) 231-3784 4432313784 | 1 |
| 8 | (443) 231-3847 4432313847 | 1 |
| 9 | (443) 231-4052 4432314052 | 1 |
| 10 | (443) 231-4068 4432314068 | 1 |
| 11 | (443) 231-4615 4432314615 | 1 |
| 12 | (443) 231-4633 4432314633 | 1 |
| 13 | (443) 231-4655 4432314655 | 1 |
| 14 | (443) 231-4751 4432314751 | 1 |
| 15 | (443) 231-4956 4432314956 | 1 |
| 16 | (443) 231-5052 4432315052 | 1 |
| 17 | (443) 231-6194 4432316194 | 1 |
| 18 | (443) 231-6418 4432316418 | 1 |
| 19 | (443) 231-6575 4432316575 | 1 |
| 20 | (443) 231-6692 4432316692 | 1 |
| 21 | (443) 231-6914 4432316914 | 1 |
| 22 | (443) 231-7363 4432317363 | 1 |
| 23 | (443) 231-9062 4432319062 | 1 |
| 24 | (443) 231-9105 4432319105 | 1 |
| 25 | (443) 231-9163 4432319163 | 1 |
| 26 | (443) 231-9238 4432319238 | 1 |
| 27 | (443) 231-9244 4432319244 | 1 |
| 28 | (443) 231-9377 4432319377 | 1 |
| 29 | (443) 231-9431 4432319431 | 1 |
| 30 | (443) 231-9455 4432319455 | 1 |
| 31 | (443) 231-9582 4432319582 | 1 |
| 32 | (443) 231-9817 4432319817 | 1 |
| 33 | (443) 231-0223 4432310223 | 1 |
| 34 | (443) 231-9952 4432319952 | 1 |
About This Prefix
Phone numbers starting with (443) 231 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (231) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (231) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)