Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 202

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-202 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-202 0 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 1 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 2 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-10-17   
737-202 3 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-10-17   
737-202 4 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2015-10-22   
737-202 5 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 6 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 7 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 8 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 9 Austin TX   6529 T-MOBILE USA, INC. 558   2015-10-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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