Phone Prefix
(240) 637-XXXX
MD • WSHNGTNZN3
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WSHNGTNZN3
Assigned To
CORE COMMUNICATIONS, INC.- MD
OCN
2593
Status
AS
Date Assigned
Jun 13, 2018
Number Range
First Number
(240) 637-0000
Last Number
(240) 637-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (240) 637-0416 2406370416 | 1 |
| 2 | (240) 637-1798 2406371798 | 1 |
| 3 | (240) 637-1907 2406371907 | 1 |
| 4 | (240) 637-2133 2406372133 | 1 |
| 5 | (240) 637-6506 2406376506 | 1 |
| 6 | (240) 637-7921 2406377921 | 1 |
About This Prefix
Phone numbers starting with (240) 637 are part of the North American Numbering Plan (NANP). The first three digits (240) represent the Area Code (NPA), and the next three digits (637) represent the Central Office Code (NXX) or exchange.
- NPA (240) - Numbering Plan Area, identifies the geographic region
- NXX (637) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)