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.

OCN: 480D OPTICAL TELECOMMUNICATIONS, INC. - FL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
305-612 A Perrine FL MIAVFLFFDS2  46017      
561-256 A Belle Glade FL MIAVFLFFDS2  46018      
561-864 A Boca Raton FL MIAVFLFFDS2  46018      
786-636 A Miami FL MIAVFLFFDS2  46017      
786-636 0 Miami FL   46017   2014-10-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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