Area Code 551
Area code 551 is associated with New Jersey. It connects to 90 ZIP codes across 72 cities, with an estimated combined population of 1,474,397.
Area details
- Area code
- 551
- States covered
- New Jersey
- States count
- 1
- ZIP codes
- 90
- Cities
- 72
- Population
- ~1,474,397
Related ZIP codes
Open ZIP state pageAbout area code 551
Area code 551 is a useful lookup entry for New Jersey. It helps connect phone-number geography with ZIP code coverage, city clusters, and state-level browsing. Use the related ZIP cards above to move deeper into the postal data for this region.
If you are browsing by state, you can continue with New Jersey lookup pages for ZIP codes and area codes.