Phone Prefix
(443) 770-XXXX
MD • ARGRGBSNIS
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
ARGRGBSNIS
Assigned To
VERIZON MARYLAND, INC.
OCN
9212
Status
RT
Number Range
First Number
(443) 770-0000
Last Number
(443) 770-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 13 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 770-8641 4437708641 | 2 |
| 2 | (443) 770-2971 4437702971 | 1 |
| 3 | (443) 770-3428 4437703428 | 1 |
| 4 | (443) 770-3520 4437703520 | 1 |
| 5 | (443) 770-3627 4437703627 | 1 |
| 6 | (443) 770-3631 4437703631 | 1 |
| 7 | (443) 770-3674 4437703674 | 1 |
| 8 | (443) 770-3823 4437703823 | 1 |
| 9 | (443) 770-3895 4437703895 | 1 |
| 10 | (443) 770-3997 4437703997 | 1 |
| 11 | (443) 770-6961 4437706961 | 1 |
| 12 | (443) 770-0370 4437700370 | 1 |
| 13 | (443) 770-8721 4437708721 | 1 |
About This Prefix
Phone numbers starting with (443) 770 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (770) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (770) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)