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: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 205

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-205 A Lingle WY GDISNENW6MD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 646      
307-205 0 Lingle WY   450F ONVOY, LLC - WY 646   2022-06-08   
307-205 1 Lingle WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2022-07-29   
307-205 2 Lingle WY GDISNENW6MD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 646   2017-01-07   
307-205 3 Lingle WY GDISNENWX2X  6529 T-MOBILE USA, INC. 646   2019-10-18   
307-205 4 Lingle WY GDISNENWX2X  6529 T-MOBILE USA, INC. 646   2019-10-18   
307-205 5 Lingle WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-03-01   
307-205 6 Lingle WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-11-25   
307-205 7 Lingle WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-04-21   
307-205 8 Lingle WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-06-27   
307-205 9 Lingle WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-10-03   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.