Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-450 A Laurens IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-450 0 Laurens IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-450 1 Laurens IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2024-09-12   
712-450 2 Laurens IA   145J TERRA NOVA TELECOM INC. 630   2025-05-17   
712-450 3 Laurens IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2025-09-26   
712-450 4 Laurens IA   5562 METROPCS, INC. 630   2025-04-27   
712-450 5 Laurens IA   5562 METROPCS, INC. 630   2025-04-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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