Area Code 551

There are 246 phone number prefixes within area code 551. Additionally, there are more than 2,000 phone numbers in this area code that have received at least one user report. The location of calls from area code 551 is New Jersey, USA. Most numbers in this area code are in US Eastern time, where the time is currently 7:35:05 PM on June 5, 2025.
 
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