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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-996 9 Cheyenne WY CHYNWYMADS0  9636 QWEST CORPORATION 654      
307-999 A Moran WY CHYNWYRF1MD  073H TELNYX LLC 654      
307-999 0 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-07-11   
307-999 1 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-03-02   
307-999 2 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-03-02   
307-999 3 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-09-07   
307-999 4 Moran WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-02-19   
307-999 6 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-12-19   
307-999 7 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2018-11-02   
307-999 8 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2018-11-02   
307-999 9 Moran WY CHYNWYRF1MD  073H TELNYX LLC 654   2017-04-21   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.