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: 026D ONVOY, LLC - CO

<< 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

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
983-212 3 Denver CO DNVTCOZIDS1  656   2024-11-18   
983-213 0 Longmont CO DNVTCOZIDS1  656   2024-12-31   
983-213 1 Longmont CO DNVTCOZIDS1  656   2024-12-31   
983-213 3 Longmont CO   656   2025-02-01   
983-444 0 Denver CO DNVTCOZIDS1  656   2024-04-02   
983-444 1 Denver CO DNVTCOZIDS1  656   2024-04-02   
983-444 2 Denver CO DNVTCOZIDS1  656   2024-04-02   
983-444 6 Denver CO DNVTCOZIDS1  656   2024-04-02   
983-444 7 Denver CO DNVTCOZIDS1  656   2024-04-02   
983-444 8 Denver CO DNVTCOZIDS1  656   2024-04-02   
983-983 6 Longmont CO DNVTCOZIDS1  656   2024-04-04   
983-999 0 Denver CO DNVTCOZIDS1  656   2023-10-09   
983-999 2 Denver CO DNVTCOZIDS1  656   2023-10-09   
983-999 8 Denver CO DNVTCOZIDS1  656   2023-10-09   

<< 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

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.