Phone Prefix
(443) 276-XXXX
MD • COLUMBIA
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
MD
Region
MA
Rate Center
COLUMBIA
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
RT
Number Range
First Number
(443) 276-0000
Last Number
(443) 276-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 276-2984 4432762984 | 1 |
| 2 | (443) 276-3919 4432763919 | 1 |
| 3 | (443) 276-3929 4432763929 | 1 |
| 4 | (443) 276-4742 4432764742 | 1 |
| 5 | (443) 276-7886 4432767886 | 1 |
| 6 | (443) 276-8112 4432768112 | 1 |
| 7 | (443) 276-8213 4432768213 | 1 |
| 8 | (443) 276-8850 4432768850 | 1 |
| 9 | (443) 276-9556 4432769556 | 1 |
About This Prefix
Phone numbers starting with (443) 276 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (276) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (276) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)