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: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-438 A Pharr TX   6664 SPRINT SPECTRUM L.P. 568      
956-438 0 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-438 1 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-438 2 Pharr TX   5562 METRO PCS, INC. 568   2014-02-03   
956-438 3 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-438 4 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-438 5 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-438 6 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-438 7 Pharr TX   6664 SPRINT SPECTRUM L.P. 568   2007-05-20   
956-438 8 Pharr TX   5562 METRO PCS, INC. 568   2014-09-21   
956-438 9 Pharr TX   5562 METRO PCS, INC. 568   2014-10-01   
956-439 A Harlingen TX HRLNTXDU1MD  6736 SOUTH TEXAS PAGING 568      
956-440 A Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-440 0 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 1 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 2 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 3 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 4 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 5 Harlingen TX   5562 METRO PCS, INC. 568   2019-02-25   
956-440 6 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 7 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 8 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-440 9 Harlingen TX   9533 SOUTHWESTERN BELL 568      
956-441 A Laredo TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
956-441 0 Laredo TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2015-11-19   
956-441 1 Laredo TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2015-11-19   
956-441 2 Laredo TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2016-10-15   
956-441 3 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2018-09-15   
956-441 4 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2015-11-20   
956-441 5 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2015-11-20   
956-441 6 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2015-11-20   
956-441 7 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2015-11-20   
956-441 8 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2015-11-20   
956-441 9 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2018-09-15   
956-442 A Brownsville TX   5562 METRO PCS, INC. 568      
956-442 0 Brownsville TX   5562 METRO PCS, INC. 568   2014-04-13   
956-442 1 Brownsville TX   5562 METRO PCS, INC. 568   2014-04-13   
956-442 2 Brownsville TX   5562 METRO PCS, INC. 568   2014-04-13   
956-442 3 Brownsville TX   5562 METRO PCS, INC. 568   2014-04-13   
956-442 4 Brownsville TX   5562 METRO PCS, INC. 568   2014-04-13   
956-442 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2014-04-15   
956-442 6 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2014-04-15   
956-442 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2014-04-15   
956-442 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2014-04-15   
956-442 9 Brownsville TX   5562 METRO PCS, INC. 568   2014-04-13   
956-443 A Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-443 0 Brownsville TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2014-08-25   
956-443 1 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-08-20   
956-443 2 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-08-20   
956-443 3 Brownsville TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-10-23   

<< 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 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.