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.

NPA: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-388 A Vernon FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009      
850-388 0 Vernon FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009   2008-01-25   
850-388 1 Vernon FL PNCYFLMAXTZ  508J CENTURYLINK COMMUNICATIONS, LLC 45009   2014-07-30   
850-388 2 Vernon FL PNCYFLMAXAZ  919F MCC TELEPHONY OF FLORIDA, LLC - FL 45009   2010-04-16   
850-388 3 Vernon FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2019-11-09   
850-388 4 Vernon FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009      
850-388 5 Vernon FL PNCYFLMA23Z  4616 DELTACOM, INC. - FL 45009   2010-09-18   
850-388 6 Vernon FL PNCYFLMA02Z  073H TELNYX LLC 45009   2020-05-18   
850-388 7 Vernon FL PNCYFLMAXXZ  516C AT&T CORP. 45009   2013-02-04   
850-388 8 Vernon FL PNCYFLMAX2Z  594D YMAX COMMUNICATIONS CORP. - FL 45009   2008-11-13   
850-388 9 Vernon FL PNCYFLMAX2Z  594D YMAX COMMUNICATIONS CORP. - FL 45009   2008-11-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.