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: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-800 2 North Julesburg NE DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-05-24   
308-800 3 North Julesburg NE DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-11-14   
308-800 4 North Julesburg NE DNVTCOZIDS1  549E ONVOY, LLC - NE 656   2021-03-11   
308-800 6 North Julesburg NE DNVTCOZIDS1  549E ONVOY, LLC - NE 656   2021-03-11   
308-800 7 North Julesburg NE DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-11-14   
308-800 8 North Julesburg NE DNVRCO26XRX  965H FRACTEL, LLC 656   2020-10-15   
308-800 9 North Julesburg NE DNVTCOZI6MD  073H TELNYX LLC 656   2021-03-13   
308-810 A Broken Bow NE   5562 METROPCS, INC. 646   2025-05-22   
308-810 0 Broken Bow NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2025-10-24   
308-810 9 Broken Bow NE   5562 METROPCS, INC. 646   2025-05-22   
308-813 A Heartwell NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-813 2 Heartwell NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2021-12-09   
308-813 8 Heartwell NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2021-07-06   
308-815 A St Paul NE   6701 AERIAL COMMUNICATIONS, INC. 646   2025-05-10   
308-815 1 St Paul NE   5562 METROPCS, INC. 646   2025-05-17   
308-815 9 St Paul NE   6701 AERIAL COMMUNICATIONS, INC. 646   2025-05-10   
308-823 A Oxford NE MCCKNEAVRS0  2309 PINPOINT COMMUNICATIONS, INC. - NE 646      
308-824 A Oxford NE OXFRNENWRS1  9631 QWEST CORPORATION 646      
308-824 0 Oxford NE GDISNENWXDX  624H ONVOY SPECTRUM, LLC 646   2025-01-03   
308-824 1 Oxford NE GDISNENW6MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2023-01-23   
308-824 2 Oxford NE GDISNENWXBX  6874 N.E. COLORADO CELLULAR, INC. 646   2005-11-19   
308-824 3 Oxford NE OXFRNENWRS1  9631 QWEST CORPORATION 646      
308-824 4 Oxford NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2021-04-02   
308-824 5 Oxford NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2021-04-02   
308-824 6 Oxford NE GDISNEASGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2020-05-29   
308-824 7 Oxford NE GDISNENWUMD  508J CENTURYLINK COMMUNICATIONS, LLC 646   2015-01-06   
308-824 8 Oxford NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2020-01-20   
308-824 9 Oxford NE OXFRNENWRS1  9631 QWEST CORPORATION 646      
308-826 A Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 0 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 1 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 2 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 3 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 4 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 5 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 6 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 7 Amherst NE   792K CHARTER IP ENABLED SERVICES, LLC 646   2008-09-15   
308-826 8 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-826 9 Amherst NE AMHRNEXGRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-830 A Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-830 0 Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-830 1 Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-830 2 Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-830 3 Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-830 4 Minden NE ALNCNENW0MD  710A ALLO COMMUNICATIONS, LLC - NE 646   2016-06-05   
308-830 5 Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646   2015-07-05   
308-830 6 Minden NE GDISNENWUMD  508J CENTURYLINK COMMUNICATIONS, LLC 646   2015-01-06   
308-830 7 Minden NE GDISNENW6MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2015-10-23   
308-830 8 Minden NE GDISNENWGMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 646   2016-11-14   
308-830 9 Minden NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      

<< 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 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.