551-378

You are reviewing the Area Code (NPA/NXX) report for 551-378. Did you mean to search the SMS short code 551378?

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
Raw Number551378
Basic Format551-378
NPA (Area Code)551
NXX378

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective DateBlock Available Date
551-378-0XXX637CONVOY, LLC - NJCLIFFSIDEAS07/31/2024CLIFFSIDENJMA08/24/2024
551-378-1XXX118FBANDWIDTH.COM CLEC, LLC - NJCLIFFSIDEAS09/26/2024CLIFFSIDENJMA10/26/2024
551-378-2XXX118FBANDWIDTH.COM CLEC, LLC - NJCLIFFSIDEAS09/26/2024CLIFFSIDENJMA10/26/2024
551-378-3XXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAVCLIFFSIDENJMA11/27/2023
551-378-4XXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAVCLIFFSIDENJMA11/27/2023
551-378-5XXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAVCLIFFSIDENJMA11/27/2023
551-378-6XXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAVCLIFFSIDENJMA11/27/2023
551-378-7XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCCLIFFSIDEAS06/26/2025CLIFFSIDENJMA07/08/2025
551-378-8XXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAS09/20/2023CLIFFSIDENJMA11/24/2023
551-378-9XXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAS09/20/2023CLIFFSIDENJMA11/24/2023
551-378-XXXX6623OMNIPOINT COMMUNICATIONS, INC. - NJCLIFFSIDEAS09/20/2023CLIFFSIDENJ

Reports

Anonymous User from , NJ

July 13, 2026 at 10:10 AM

551-378-0803 reported as a Robocall. Received on July 13, 2026 at 10:07 AM.

Anonymous User from Gainesville, Georgia

May 13, 2026 at 1:02 PM

551-378-7095 reported as a Robocall. Received on May 13, 2026 at 9:00 AM.

Anonymous User from , NJ

April 3, 2025 at 2:13 PM

551-378-3304 reported as a Robocall. Received on April 3, 2025 at 8:49 AM.
Call for Dropped call or no message

Most 'popular' numbers on this prefix:

551-378-3XXX: 551-378-3300 | 551-378-3307 | 551-378-3308 | 551-378-3330 | 551-378-3333 |