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
956-256 1 Rio Grande City TX   6664 SPRINT SPECTRUM L.P. 568   2009-02-28   
956-256 2 Rio Grande City TX   6664 SPRINT SPECTRUM L.P. 568   2009-02-28   
956-256 3 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-03-13   
956-256 4 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-03-13   
956-256 5 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-03-13   
956-256 6 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-09-26   
956-256 7 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-14   
956-256 8 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-14   
956-256 9 Rio Grande City TX   6664 SPRINT SPECTRUM L.P. 568   2009-07-18   
956-257 A Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-257 0 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-07-25   
956-257 1 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2013-04-18   
956-257 2 Rio Grande City TX   5562 METRO PCS, INC. 568   2013-06-14   
956-257 3 Rio Grande City TX   5562 METRO PCS, INC. 568   2013-06-14   
956-257 4 Rio Grande City TX   5562 METRO PCS, INC. 568   2013-06-14   
956-257 5 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-05   
956-257 6 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-05   
956-257 7 Rio Grande City TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-05   
956-257 8 Rio Grande City TX   5562 METRO PCS, INC. 568   2013-06-14   
956-257 9 Rio Grande City TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-16   
956-258 A Pharr TX   7421 AT&T LOCAL 568      
956-258 0 Pharr TX   5562 METRO PCS, INC. 568   2014-02-24   
956-258 1 Pharr TX   5562 METRO PCS, INC. 568   2014-02-24   
956-258 2 Pharr TX   5562 METRO PCS, INC. 568   2014-02-03   
956-258 3 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-258 4 Pharr TX   5562 METRO PCS, INC. 568   2014-02-27   
956-258 5 Pharr TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2014-01-16   
956-258 6 Pharr TX   5562 METRO PCS, INC. 568   2013-06-28   
956-258 7 Pharr TX   5562 METRO PCS, INC. 568   2013-06-28   
956-258 8 Pharr TX   5562 METRO PCS, INC. 568   2013-06-28   
956-258 9 Pharr TX   7421 AT&T LOCAL 568   2013-06-27   
956-259 A Edinburg TX MCALTXHBDS0  4866 SMARTCOM TELEPHONE LLC 568      
956-260 A Mercedes TX MCALTXHBDS0  4866 SMARTCOM TELEPHONE LLC 568      
956-261 A Weslaco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-261 0 Weslaco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-04-20   
956-261 1 Weslaco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-04-20   
956-261 2 Weslaco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-04-20   
956-261 3 Weslaco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-05-15   
956-261 4 Weslaco TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2013-03-28   
956-261 5 Weslaco TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2012-09-13   
956-261 6 Weslaco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2012-11-25   
956-261 7 Weslaco TX   4290 STPCS JOINT VENTURE, LLC 568   2012-12-19   
956-261 8 Weslaco TX   4290 STPCS JOINT VENTURE, LLC 568   2012-12-19   
956-261 9 Weslaco TX   4290 STPCS JOINT VENTURE, LLC 568   2012-07-12   
956-262 A Edcouch TX EDCHTXEDRS0  9533 SOUTHWESTERN BELL 568      
956-263 A Rio Grande City TX   6664 SPRINT SPECTRUM L.P. 568      
956-263 0 Rio Grande City TX   6664 SPRINT SPECTRUM L.P. 568      
956-263 1 Rio Grande City TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2005-08-21   
956-263 2 Rio Grande City TX   6664 SPRINT SPECTRUM L.P. 568      
956-263 3 Rio Grande City TX   5562 METRO PCS, INC. 568   2013-06-21   

<< 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.