240-638

You are reviewing the Area Code (NPA/NXX) report for 240-638. Did you mean to search the SMS short code 240638?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

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.

Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	240638
Basic Format	240-638
NPA (Area Code)	240
NXX	638

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
240-638-0XXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	RT		WASHINGTON ZONE 03	MD	MA
240-638-1XXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	RT		WASHINGTON ZONE 03	MD	MA
240-638-2XXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	RT		WASHINGTON ZONE 03	MD	MA
240-638-3XXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	RT		WASHINGTON ZONE 03	MD	MA
240-638-4XXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	RT		WASHINGTON ZONE 03	MD	MA
240-638-5XXX	829J	PAETEC ITEL, LLC	WSHNGTNZN3	AS	11/16/2009	WASHINGTON ZONE 03	MD	MA	12/14/2009
240-638-6XXX	6395	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	WSHNGTNZN3	AS	04/06/2005	WASHINGTON ZONE 03	MD	MA	05/02/2005
240-638-7XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	WSHNGTNZN3	AS	10/12/2023	WASHINGTON ZONE 03	MD	MA	11/11/2023
240-638-8XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	WSHNGTNZN3	AS	10/12/2023	WASHINGTON ZONE 03	MD	MA	11/11/2023
240-638-9XXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	RT		WASHINGTON ZONE 03	MD	MA
240-638-XXXX	6119	LEVEL 3 COMMUNICATIONS, LLC - MD	WSHNGTNZN3	AS		WASHINGTON ZONE 03	MD

Business/Government Phones on the 240-638 Prefix

Phone	Name	Address
240-638-2828	Wills and Trusts

Reports

Anonymous User from Owings Mills, Maryland

January 10, 2026 at 8:13 PM

240-638-2230 reported as a Live Voice or Other. Received on October 16, 2025 at 5:00 PM.
Call for Medical & prescriptions

Anonymous User from Owings Mills, Maryland

January 10, 2026 at 8:12 PM

240-638-2230 reported as a Live Voice or Other. Received on October 15, 2025 at 12:30 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Columbia, Maryland

November 21, 2025 at 1:17 PM

240-638-5051 reported as a Live Voice or Other. Received on November 21, 2025 at 1:15 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , MD

August 13, 2025 at 11:49 AM

240-638-5331 reported as a Robocall. Received on August 13, 2025 at 11:45 AM.
Call for Home security & alarms

Anonymous User from Pensacola, California

July 24, 2025 at 11:35 AM

240-638-6063 reported as a Live Voice or Other. Received on July 24, 2025 at 10:25 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from El Prado, New Mexico

July 7, 2025 at 3:35 PM

240-638-1217 reported as a Live Voice or Other. Received on July 3, 2025 at 12:00 AM.

Anonymous User from Owings Mills, Maryland

June 25, 2025 at 12:24 AM

240-638-4367 reported as a Live Voice or Other. Received on February 24, 2025 at 10:33 AM.
Call for Medical & prescriptions

Anonymous User from Silverton, Maryland

February 27, 2025 at 9:04 PM

240-638-9824 reported as a Robocall. Received on February 24, 2025 at 6:09 AM.
Call for Dropped call or no message

Anonymous User from , MD

February 20, 2025 at 5:32 PM

240-638-2411 reported as a Live Voice or Other. Received on February 18, 2025 at 2:32 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Thurmont, Maryland

February 6, 2023 at 12:48 PM

240-638-0990 reported as a Robocall. Received on February 6, 2023 at 12:40 PM.
Call for Vacation & timeshares

Most 'popular' numbers on this prefix:

240-638-0XXX: 240-638-0900 | 240-638-0907 | 240-638-0909 | 240-638-0910 | 240-638-0911 | 240-638-0919 |
240-638-1XXX: 240-638-1212 | 240-638-1222 | 240-638-1234 | 240-638-1270 | 240-638-1277 | 240-638-1278 |
240-638-2XXX: 240-638-2400 | 240-638-2411 | 240-638-2414 | 240-638-2418 | 240-638-2447 | 240-638-2483 | 240-638-2800 | 240-638-2820 | 240-638-2822 | 240-638-2823 | 240-638-2887 | 240-638-2888 |
240-638-6XXX: 240-638-6900 | 240-638-6980 | 240-638-6987 | 240-638-6988 | 240-638-6997 | 240-638-6998 |
240-638-8XXX: 240-638-8100 | 240-638-8180 | 240-638-8181 | 240-638-8188 | 240-638-8200 | 240-638-8207 | 240-638-8250 | 240-638-8260 | 240-638-8261 | 240-638-8262 |
240-638-9XXX: 240-638-9100 | 240-638-9110 | 240-638-9111 | 240-638-9115 | 240-638-9197 | 240-638-9500 | 240-638-9505 | 240-638-9509 | 240-638-9580 | 240-638-9583 | 240-638-9589 | 240-638-9800 | 240-638-9807 | 240-638-9808 | 240-638-9820 | 240-638-9821 | 240-638-9823 |