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.

Houston, TX

<< 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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-889 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-889 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-890 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-890 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-891 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-891 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-892 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-892 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-893 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-893 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-894 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-894 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-896 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-896 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-18   
832-900 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-900 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
832-900 1   829J PAETEC ITEL, LLC 560   2011-02-10   
832-900 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-13   
832-900 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-13   
832-900 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-01-29   
832-900 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2011-02-04   
832-900 6   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2011-02-04   
832-900 7   903C ONVOY, LLC - TX 560   2011-01-28   
832-900 8   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2011-02-04   
832-900 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
832-901 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-901 0   5562 METROPCS, INC. 560   2013-01-27   
832-901 1   5562 METROPCS, INC. 560   2013-01-27   
832-901 2   5562 METROPCS, INC. 560   2013-01-27   
832-901 3   5562 METROPCS, INC. 560   2013-01-27   
832-901 4   5562 METROPCS, INC. 560   2013-01-27   
832-901 5   5562 METROPCS, INC. 560   2013-01-27   
832-901 6   5562 METROPCS, INC. 560   2013-01-27   
832-901 7   5562 METROPCS, INC. 560   2013-01-27   
832-901 8   5562 METROPCS, INC. 560   2013-01-27   
832-901 9   6701 AERIAL COMMUNICATIONS, INC. 560   2013-01-27   
832-903 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-903 0   6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-903 1   6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   
832-903 2   6701 AERIAL COMMUNICATIONS, INC. 560   2015-01-09   

<< 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 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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.