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
830-421 0 Eagle Pass TX 4290 STPCS JOINT VENTURE, LLC 566   2006-06-09   
830-421 1 Eagle Pass TX 4290 STPCS JOINT VENTURE, LLC 566   2006-11-04   
830-421 2 Eagle Pass TX 4290 STPCS JOINT VENTURE, LLC 566   2007-03-18   
830-421 6 Eagle Pass TX 4290 STPCS JOINT VENTURE, LLC 566   2007-11-16   
830-422 A Del Rio TX 5562 METROPCS, INC. 566      
830-422 0 Del Rio TX 5562 METROPCS, INC. 566   2007-10-20   
830-422 1 Del Rio TX 5562 METROPCS, INC. 566      
830-422 4 Del Rio TX 5562 METROPCS, INC. 566   2007-10-20   
830-422 5 Del Rio TX 5562 METROPCS, INC. 566   2007-10-20   
830-422 6 Del Rio TX 5562 METROPCS, INC. 566      
830-422 7 Del Rio TX 5562 METROPCS, INC. 566      
830-422 9 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566      
830-423 9 Hondo TX 6529 T-MOBILE USA, INC. 566   2013-01-22   
830-444 A Hondo TX 6529 T-MOBILE USA, INC. 566      
830-444 1 Hondo TX 6529 T-MOBILE USA, INC. 566      
830-444 6 Hondo TX 6529 T-MOBILE USA, INC. 566      
830-444 7 Hondo TX 6529 T-MOBILE USA, INC. 566   2006-08-30   
830-444 8 Hondo TX 6529 T-MOBILE USA, INC. 566      
830-444 9 Hondo TX 6529 T-MOBILE USA, INC. 566      
830-445 A Gonzales TX 6529 T-MOBILE USA, INC. 566      
830-445 0 Gonzales TX 6529 T-MOBILE USA, INC. 566   2008-02-18   
830-445 1 Gonzales TX 6529 T-MOBILE USA, INC. 566      
830-445 6 Gonzales TX 6529 T-MOBILE USA, INC. 566      
830-445 9 Gonzales TX 6529 T-MOBILE USA, INC. 566      
830-461 9 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2011-06-29   
830-465 7 Hondo TX 5562 METROPCS, INC. 566   2022-06-03   
830-469 2 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2006-09-21   
830-469 5 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2009-09-21   
830-469 6 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2007-03-18   
830-469 7 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2009-01-17   
830-469 8 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2006-09-21   
830-469 9 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2005-08-22   
830-477 A Gillett TX 6529 T-MOBILE USA, INC. 566      
830-477 1 Gillett TX 6529 T-MOBILE USA, INC. 566      
830-477 6 Gillett TX 6529 T-MOBILE USA, INC. 566   2007-09-14   
830-477 7 Gillett TX 6529 T-MOBILE USA, INC. 566   2007-09-14   
830-477 8 Gillett TX 6529 T-MOBILE USA, INC. 566   2007-05-16   
830-477 9 Gillett TX 6529 T-MOBILE USA, INC. 566      
830-481 1 New Braunfels EMS TX 5562 METROPCS, INC. 566   2004-01-17   
830-483 3 Cotulla TX 5562 METROPCS, INC. 566   2016-05-06   
830-486 1 Uvalde TX 6529 T-MOBILE USA, INC. 566   2010-08-17   
830-486 3 Uvalde TX 6529 T-MOBILE USA, INC. 566   2015-07-29   
830-498 1 Eagle Pass TX 5562 METROPCS, INC. 566   2015-12-18   
830-498 5 Eagle Pass TX 4290 STPCS JOINT VENTURE, LLC 566   2023-02-19   
830-498 7 Eagle Pass TX 4290 STPCS JOINT VENTURE, LLC 566   2023-02-19   
830-498 8 Eagle Pass TX 5562 METROPCS, INC. 566   2020-02-21   
830-507 A Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566      
830-507 0 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2017-11-18   
830-507 4 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2017-11-18   
830-507 5 Del Rio TX 4290 STPCS JOINT VENTURE, LLC 566   2018-12-02   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.