phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

667-421

You are reviewing the Area Code (NPA/NXX) report for 667-421. Did you mean to search the SMS short code 667421?

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 LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number667421
Basic Format667-421
NPA (Area Code)667
NXX421

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
667-421-0XXX490JBOOST SUBSCRIBERCO L.L.C.COLUMBIAAS12/22/2023COLUMBIAMDMA01/21/2024
667-421-1XXX490JBOOST SUBSCRIBERCO L.L.C.COLUMBIAAS12/22/2023COLUMBIAMDMA04/26/2024
667-421-2XXX876DONVOY, LLC - MDCOLUMBIAAS01/30/2024COLUMBIAMDMA02/25/2024
667-421-3XXX876DONVOY, LLC - MDCOLUMBIAAS01/30/2024COLUMBIAMDMA02/25/2024
667-421-4XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCCOLUMBIAAS12/11/2024COLUMBIAMDMA12/23/2024
667-421-5XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCCOLUMBIAAS12/11/2024COLUMBIAMDMA12/23/2024
667-421-6XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCCOLUMBIAAS12/11/2024COLUMBIAMDMA12/23/2024
667-421-7XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCCOLUMBIAAS06/14/2023COLUMBIAMDMA06/26/2023
667-421-8XXX073HTELNYX LLCCOLUMBIAAS03/27/2023COLUMBIAMDMA04/24/2023
667-421-9XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCCOLUMBIAAS06/14/2023COLUMBIAMDMA06/26/2023
667-421-XXXX073HTELNYX LLCCOLUMBIAASCOLUMBIAMD

Reports

Anonymous User from , MD

May 14, 2025 at 8:33 AM

667-421-2590 reported as a Robocall. Received on May 13, 2025 at 10:06 AM.
Call for Dropped call or no message

Anonymous User from , MD

May 13, 2025 at 7:55 AM

667-421-2590 reported as a Robocall. Received on May 12, 2025 at 5:20 PM.
Call for Dropped call or no message

Anonymous User from Montgomery Village, Maryland

January 16, 2025 at 6:47 AM

667-421-7360 reported as a Live Voice or Other. Received on January 15, 2025 at 1:45 PM.
Call for Calls pretending to be government, businesses, or family and friends

Most 'popular' numbers on this prefix:

667-421-7XXX: 667-421-7300 | 667-421-7320 | 667-421-7360 | 667-421-7365 |