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.

Switch: SNANTX91X7Y

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-577 2 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-10-20   
210-577 3 San Antonio TX 6529 T-MOBILE USA, INC. 566   2013-09-15   
210-577 4 San Antonio TX 6529 T-MOBILE USA, INC. 566   2013-09-15   
210-577 5 San Antonio TX 6529 T-MOBILE USA, INC. 566   2013-09-15   
210-577 6 San Antonio TX 6529 T-MOBILE USA, INC. 566   2013-09-15   
210-577 7 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-08-28   
210-577 8 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-10-20   
210-577 9 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-06-12   
210-580 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2021-07-09   
210-587 5 San Antonio TX 6529 T-MOBILE USA, INC. 566   2006-07-03   
210-587 9 San Antonio TX 6529 T-MOBILE USA, INC. 566   2006-07-03   
210-589 A San Antonio TX 6529 T-MOBILE USA, INC. 566      
210-589 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 1 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 2 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 3 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 4 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 5 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 6 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-589 8 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-05-10   
210-589 9 San Antonio TX 6529 T-MOBILE USA, INC. 566   2008-03-06   
210-591 3 San Antonio TX 6529 T-MOBILE USA, INC. 566   2012-09-14   
210-591 5 San Antonio TX 6529 T-MOBILE USA, INC. 566   2012-09-14   
210-591 9 San Antonio TX 6529 T-MOBILE USA, INC. 566   2007-11-21   
210-606 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2010-12-10   
210-606 1 San Antonio TX 6529 T-MOBILE USA, INC. 566   2010-12-10   
210-606 2 San Antonio TX 6529 T-MOBILE USA, INC. 566   2010-12-10   
210-608 6 San Antonio TX 5562 METROPCS, INC. 566   2013-07-16   
210-608 7 San Antonio TX 5562 METROPCS, INC. 566   2013-07-16   
210-612 8 San Antonio TX 6529 T-MOBILE USA, INC. 566   2013-01-19   
210-616 6 San Antonio TX 6529 T-MOBILE USA, INC. 566   2006-03-05   
210-617 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2006-04-27   
210-617 8 San Antonio TX 6529 T-MOBILE USA, INC. 566   2006-04-27   
210-618 A San Antonio TX 6529 T-MOBILE USA, INC. 566      
210-618 1 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-17   
210-618 2 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-17   
210-618 3 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-17   
210-618 4 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-17   
210-618 5 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-17   
210-618 6 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-01   
210-618 7 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-01   
210-618 8 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-01   
210-618 9 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-01   
210-620 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2012-12-11   
210-620 1 San Antonio TX 6529 T-MOBILE USA, INC. 566   2012-12-11   
210-622 7 San Antonio TX 5562 METROPCS, INC. 566   2006-04-07   
210-625 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-06   
210-625 1 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-02-06   
210-625 2 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-03-25   
210-630 0 San Antonio TX 6529 T-MOBILE USA, INC. 566   2005-08-22   

<< 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 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.