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: GDISNENWJMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-266 A Atlanta NE 549E ONVOY, LLC - NE 646      
308-272 A Greeley NE 549E ONVOY, LLC - NE 646      
308-281 A Elwood NE 549E ONVOY, LLC - NE 646      
308-296 A Kearney NE 549E ONVOY, LLC - NE 646   2024-03-09   
308-303 A Cairo NE 549E ONVOY, LLC - NE 646      
308-371 A Kearney NE 549E ONVOY, LLC - NE 646      
308-438 A Amherst NE 549E ONVOY, LLC - NE 646      
308-813 A Heartwell NE 549E ONVOY, LLC - NE 646      
308-831 A Naponee NE 549E ONVOY, LLC - NE 646      
308-843 A Pleasanton NE 549E ONVOY, LLC - NE 646      
785-602 A South Naponee KS 205F ONVOY, LLC - KS 646      
785-618 A South Wilsonville KS 205F ONVOY, LLC - KS 646      
970-782 A South Big Springs CO 026D ONVOY, LLC - CO 646      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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