667-644

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	667644
Basic Format	667-644
NPA (Area Code)	667
NXX	644

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
667-644-0XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	SEVERNA PK	AS	09/17/2021	SEVERNA PARK	MD	MA	09/29/2021
667-644-1XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	SEVERNA PK	AS	05/12/2022	SEVERNA PARK	MD	MA	06/10/2022
667-644-2XXX	876D	ONVOY, LLC - MD	SEVERNA PK	AS	06/16/2021	SEVERNA PARK	MD	MA	07/12/2021
667-644-3XXX	876D	ONVOY, LLC - MD	SEVERNA PK	AS	06/16/2021	SEVERNA PARK	MD	MA	07/12/2021
667-644-4XXX	624H	ONVOY SPECTRUM, LLC	SEVERNA PK	AS	12/29/2021	SEVERNA PARK	MD	MA	01/28/2022
667-644-5XXX	624H	ONVOY SPECTRUM, LLC	SEVERNA PK	AS	12/29/2021	SEVERNA PARK	MD	MA	01/28/2022
667-644-6XXX	624H	ONVOY SPECTRUM, LLC	SEVERNA PK	AS	04/27/2021	SEVERNA PARK	MD	MA	06/27/2021
667-644-7XXX	876D	ONVOY, LLC - MD	SEVERNA PK	AS	08/30/2021	SEVERNA PARK	MD	MA	09/25/2021
667-644-8XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	SEVERNA PK	AS	01/30/2023	SEVERNA PARK	MD	MA	02/09/2023
667-644-9XXX	876D	ONVOY, LLC - MD	SEVERNA PK	AS	07/13/2023	SEVERNA PARK	MD	MA	08/10/2023
667-644-XXXX	624H	ONVOY SPECTRUM, LLC	SEVERNA PK	AS	04/26/2021	SEVERNA PARK	MD

Reports

Anonymous User from Bethlehem, Pennsylvania

April 25, 2026 at 9:54 PM

667-644-3582 reported as a Live Voice or Other. Received on October 24, 2025 at 2:43 PM.
Call for Dropped call or no message

Anonymous User from Calverton, Maryland

October 16, 2024 at 8:16 PM

667-644-1023 reported as a unwanted call. Received on September 17, 2024 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Ellicott City, Maryland

July 10, 2024 at 1:36 PM

667-644-3072 reported as a Robocall. Received on July 10, 2024 at 1:34 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Frostburg, Maryland

March 4, 2024 at 2:14 PM

667-644-7108 reported as a Robocall. Received on February 23, 2024 at 2:31 PM.

Anonymous User from Silver Spring, Maryland

November 27, 2023 at 11:32 AM

667-644-9429 reported as a Live Voice or Other. Received on November 27, 2023 at 10:58 AM.
Call for Energy, solar, & utilities

Most 'popular' numbers on this prefix:

667-644-0XXX: 667-644-0400 | 667-644-0401 | 667-644-0440 | 667-644-0444 |
667-644-1XXX: 667-644-1000 | 667-644-1001 | 667-644-1004 | 667-644-1020 | 667-644-1022 | 667-644-1024 |
667-644-3XXX: 667-644-3000 | 667-644-3001 | 667-644-3008 | 667-644-3070 | 667-644-3077 | 667-644-3078 |
667-644-7XXX: 667-644-7100 | 667-644-7105 | 667-644-7107 |
667-644-9XXX: 667-644-9400 | 667-644-9420 | 667-644-9422 | 667-644-9425 |