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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-303 A San Marcos TX SMRCTXXAVMD  622J SKYE TELECOM LLC DBA SKYETEL 558      
737-303 0 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-01-27   
737-303 1 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-01-27   
737-303 2 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-01-27   
737-303 3 San Marcos TX SMRCTXXAVMD  622J SKYE TELECOM LLC DBA SKYETEL 558   2021-11-06   
737-303 4 San Marcos TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558   2021-12-24   
737-303 5 San Marcos TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558   2021-12-24   
737-303 6 San Marcos TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-25   
737-303 7 San Marcos TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-21   
737-303 8 San Marcos TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-21   
737-303 9 San Marcos TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-25   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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