Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: MIAUFLWSJMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
561-940 5 Boca Raton FL 517J EWART TECHNOLOGIES INC DBA ISLECALL COMM 46018   2023-10-19   
786-981 A North Dade FL 517J EWART TECHNOLOGIES INC DBA ISLECALL COMM 46017      
786-981 2 North Dade FL 517J EWART TECHNOLOGIES INC DBA ISLECALL COMM 46017   2023-12-11   
954-469 A Fort Lauderdale FL 517J EWART TECHNOLOGIES INC DBA ISLECALL COMM 46017      
954-469 2 Fort Lauderdale FL 517J EWART TECHNOLOGIES INC DBA ISLECALL COMM 46017   2021-10-31   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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