You are reviewing the Area Code (NPA/NXX) report for 240-400. Did you mean to search the SMS short code 240400?
Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.
| Raw Number | 240400 |
| Basic Format | 240-400 |
| NPA (Area Code) | 240 |
| NXX | 400 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 240-400-0XXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN2 | AS | 09/02/2011 | WASHINGTON ZONE 02 | MD | MA | 10/06/2011 |
| 240-400-1XXX | 073H | TELNYX LLC | WSHNGTNZN2 | AS | 11/13/2023 | WASHINGTON ZONE 02 | MD | MA | 12/11/2023 |
| 240-400-2XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 | AS | 08/04/2023 | WASHINGTON ZONE 02 | MD | MA | 09/02/2023 |
| 240-400-3XXX | 939H | COMMIO, LLC | WSHNGTNZN2 | AS | 11/24/2023 | WASHINGTON ZONE 02 | MD | MA | 12/23/2023 |
| 240-400-4XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN2 | AS | 10/25/2011 | WASHINGTON ZONE 02 | MD | MA | 11/04/2011 |
| 240-400-5XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 | AS | 08/04/2023 | WASHINGTON ZONE 02 | MD | MA | 09/02/2023 |
| 240-400-6XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 | AS | 08/04/2023 | WASHINGTON ZONE 02 | MD | MA | 09/02/2023 |
| 240-400-7XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | WSHNGTNZN2 | AS | 01/04/2023 | WASHINGTON ZONE 02 | MD | MA | 02/03/2023 |
| 240-400-8XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 | AS | 05/02/2023 | WASHINGTON ZONE 02 | MD | MA | 06/01/2023 |
| 240-400-9XXX | 939H | COMMIO, LLC | WSHNGTNZN2 | AS | 11/24/2023 | WASHINGTON ZONE 02 | MD | MA | 12/23/2023 |
| 240-400-XXXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN2 | AS | 08/18/2011 | WASHINGTON ZONE 02 | MD |
Reports
Anonymous User from , MD
February 13, 2026 at 3:29 PM
Anonymous User from San Antonio, Texas
December 29, 2025 at 10:13 PM
Anonymous User from San Antonio, Texas
December 29, 2025 at 10:09 PM
Anonymous User from , CA
November 28, 2025 at 10:44 PM
Anonymous User from Clovis, New Mexico
November 14, 2025 at 6:08 PM
Anonymous User from Bel Air, Maryland
November 13, 2025 at 4:59 PM
Anonymous User from , PA
October 1, 2025 at 10:51 AM
Anonymous User from , WV
October 1, 2025 at 10:41 AM
Anonymous User from , TX
September 30, 2025 at 6:44 PM
Anonymous User from Alexandria, Virginia
September 25, 2025 at 2:11 PM
Anonymous User from , CA
September 24, 2025 at 12:36 PM
Anonymous User from Inverness, Florida
September 20, 2025 at 9:21 PM
Anonymous User from , FL
September 12, 2025 at 7:36 PM
Anonymous User from Owings Mills, Maryland
August 23, 2025 at 1:42 AM
Anonymous User from Upper Marlboro, Maryland
August 7, 2025 at 9:05 AM
Anonymous User from Silver Spring, Maryland
August 5, 2025 at 5:40 PM
Anonymous User from Fort Washington, Maryland
May 6, 2025 at 4:20 PM
Anonymous User from Vancouver, Washington
April 28, 2025 at 2:11 PM
Anonymous User from Bel Air, Maryland
March 26, 2025 at 5:50 PM
Anonymous User from Silver Spring, Maryland
March 26, 2025 at 3:37 PM
Anonymous User from Bel Air, Maryland
March 23, 2025 at 10:30 PM
Anonymous User from Bel Air, Maryland
March 14, 2025 at 9:53 PM
Anonymous User from Bel Air, Maryland
February 21, 2025 at 9:55 PM
Anonymous User from Apple Valley, Minnesota
February 17, 2025 at 8:48 PM
Anonymous User from Martinsburg, West Virginia
February 13, 2025 at 5:15 AM
Anonymous User from , MD
February 11, 2025 at 12:06 PM
Anonymous User from Bel Air, Maryland
January 27, 2025 at 12:47 PM
Anonymous User from , MD
January 13, 2025 at 10:25 AM
Anonymous User from Clinton, Maryland
January 10, 2025 at 2:47 PM
Anonymous User from Greenwood, South Carolina
January 2, 2025 at 5:24 PM
Anonymous User from Germantown, MD
December 23, 2024 at 2:23 PM
Anonymous User from , MD
December 12, 2024 at 4:25 PM
Anonymous User from Martinsburg, West Virginia
December 9, 2024 at 3:17 PM
Anonymous User from Fairbanks, Alaska
December 6, 2024 at 4:21 PM
Anonymous User from Newmarket, New Hampshire
December 6, 2024 at 8:25 AM
Anonymous User from , WI
December 5, 2024 at 4:39 PM
Anonymous User from Kendall, New York
December 5, 2024 at 9:22 AM
Anonymous User from Clinton, Maryland
December 3, 2024 at 6:14 PM
Anonymous User from Clinton, Maryland
December 3, 2024 at 6:03 PM
Anonymous User from Clinton, Maryland
December 3, 2024 at 5:51 PM
Anonymous User from , NY
November 30, 2024 at 8:49 PM
Anonymous User from , VA
November 26, 2024 at 1:40 PM
Anonymous User from Smithsburgh, Maryland
November 25, 2024 at 11:36 AM
Anonymous User from , MD
November 25, 2024 at 9:55 AM
Anonymous User from Hyattsville, Maryland
November 23, 2024 at 8:18 AM
Anonymous User from Sandy, Utah
November 22, 2024 at 9:22 PM
Anonymous User from Clinton, Maryland
November 22, 2024 at 1:06 PM
Anonymous User from Silver Spring, Maryland
November 21, 2024 at 4:24 PM
Anonymous User from Silver Spring, Maryland
November 21, 2024 at 4:23 PM
Anonymous User from Pasadena, Maryland
November 21, 2024 at 1:25 PM
Anonymous User from , MD
November 20, 2024 at 6:49 PM
Anonymous User from Bel Air, Maryland
November 19, 2024 at 8:48 PM
Anonymous User from Bel Air, Maryland
November 19, 2024 at 8:45 PM
Anonymous User from , MD
November 18, 2024 at 6:06 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 4:16 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 2:45 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 12:47 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 12:44 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 12:44 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 12:42 PM
Anonymous User from Bel Air, Maryland
November 18, 2024 at 12:38 PM
Anonymous User from Mount Airy, Maryland
November 18, 2024 at 12:22 PM
Anonymous User from Mount Airy, Maryland
November 14, 2024 at 2:26 PM
Anonymous User from Silver Spring, Maryland
October 3, 2024 at 6:03 AM
Anonymous User from , NY
June 12, 2024 at 6:23 PM
Anonymous User from , CA
May 8, 2024 at 10:48 AM
Anonymous User from Severna Park, Maryland
April 29, 2024 at 2:37 PM
Anonymous User from Wadsworth, OH
April 22, 2024 at 8:26 PM
Anonymous User from , MD
April 20, 2024 at 8:53 AM
Anonymous User from Edgewater, Maryland
April 15, 2024 at 10:51 AM
Anonymous User from Wadsworth, OH
April 11, 2024 at 11:40 PM
Anonymous User from Wadsworth, OH
March 24, 2024 at 5:44 PM
Anonymous User from Anchorage, AK
March 24, 2024 at 4:11 PM
Anonymous User from Scotts Valley, CA
March 11, 2024 at 5:19 PM
Anonymous User from Reading, MI
March 11, 2024 at 3:42 PM
Anonymous User from Corryton, Tennessee
February 22, 2024 at 11:22 AM
Anonymous User from Bozeman, MT
February 20, 2024 at 10:03 PM
Anonymous User from , VA
February 8, 2024 at 8:12 PM
Anonymous User from Parkville, Maryland
January 27, 2024 at 11:26 AM
Anonymous User from Silver Spring, Maryland
January 26, 2024 at 6:05 PM
Anonymous User from Silver Spring, Maryland
January 24, 2024 at 3:49 PM
Anonymous User from Catonsville, Maryland
January 22, 2024 at 11:37 AM
Anonymous User from Rockville, Maryland
January 19, 2024 at 10:01 PM
Anonymous User from , MD
January 19, 2024 at 6:10 PM
Anonymous User from , MD
January 19, 2024 at 3:00 PM
Anonymous User from , MD
January 19, 2024 at 11:18 AM
Anonymous User from Baltimore, Maryland
January 18, 2024 at 4:03 PM
Anonymous User from , MD
January 15, 2024 at 3:36 PM
Anonymous User from Martinsburg, West Virginia
November 16, 2023 at 6:13 PM
Anonymous User from , OH
May 18, 2023 at 10:53 PM
Anonymous User from , OH
May 18, 2023 at 10:51 PM
Anonymous User from Gaithersburg, Maryland
April 4, 2023 at 12:11 PM
Anonymous User from , LA
July 26, 2022 at 6:55 PM
Anonymous User from Bowie, Maryland
June 9, 2022 at 3:04 PM
Anonymous User from , MD
November 2, 2016 at 1:08 AM
Anonymous User from ,
April 7, 2016 at 8:58 PM
Anonymous User from Mount Airy, Maryland
November 30, -0001 at 12:00 AM