Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-898 6 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2012-10-16   
956-898 7 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2012-07-27   
956-898 8 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2012-07-27   
956-898 9 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2012-07-27   
956-949 A Laredo TX 4290 STPCS JOINT VENTURE, LLC 566      
956-949 2 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2009-04-13   
956-949 3 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2009-04-20   
956-949 4 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2009-04-20   
956-949 5 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2009-04-27   
956-949 9 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2007-09-03   
956-952 0 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2021-11-14   
956-952 3 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2022-02-09   
956-952 4 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2022-02-09   
956-952 9 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2021-11-14   
956-955 0 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-955 1 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-955 2 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-955 9 Laredo TX 4290 STPCS JOINT VENTURE, LLC 566   2020-09-11   
956-964 1 Encinal TX 5562 METROPCS, INC. 566   2023-01-01   
956-964 4 Encinal TX 6529 T-MOBILE USA, INC. 566   2024-11-05   
956-999 0 Laredo TX 5562 METROPCS, INC. 566   2013-07-06   
956-999 1 Laredo TX 5562 METROPCS, INC. 566   2013-07-06   
956-999 2 Laredo TX 5562 METROPCS, INC. 566   2013-07-06   
956-999 3 Laredo TX 5562 METROPCS, INC. 566   2013-07-06   
956-999 4 Laredo TX 5562 METROPCS, INC. 566   2013-07-06   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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