Phone Prefix
(443) 634-XXXX
MD • WATERLO236
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WATERLO236
Assigned To
VERIZON MARYLAND, INC.
OCN
9212
Status
AS
Date Assigned
Nov 14, 2011
Number Range
First Number
(443) 634-0000
Last Number
(443) 634-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
3 reports
3
Total FCC + FTC DNC complaints for numbers in this prefix
Top 3 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 634-1781 4436341781 | 1 |
| 2 | (443) 634-3735 4436343735 | 1 |
| 3 | (443) 634-7488 4436347488 | 1 |
About This Prefix
Phone numbers starting with (443) 634 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (634) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (634) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)