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: 9636 QWEST CORPORATION

<< 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
970-984 A New Castle CO NWCSCOMARS1  656      
970-984 0 New Castle CO NWCSCOMARS1  656      
970-984 1 New Castle CO NWCSCOMARS1  656      
970-984 2 New Castle CO NWCSCOMARS1  656      
970-984 3 New Castle CO NWCSCOMARS1  656      
970-984 9 New Castle CO NWCSCOMARS1  656      
970-985 7 Grand Junction CO GDJTCOMADS0  656      
970-986 3 Grand Junction CO GDJTCOMADS0  656      
983-888 2 Denver CO BRFDCOMADS0  656      
983-888 3 Denver CO BRFDCOMADS0  656      
983-888 4 Denver CO BRFDCOMADS0  656      
983-888 5 Denver CO BRFDCOMADS0  656      
983-888 6 Denver CO BRFDCOMADS0  656      

<< 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.