Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-581 A Adel IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
515-581 0 Adel IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2022-01-29   
515-581 1 Adel IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2022-06-27   
515-581 2 Adel IA   5562 METROPCS, INC. 632   2022-06-27   
515-581 4 Adel IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2023-07-22   
515-581 5 Adel IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2023-10-15   
515-581 6 Adel IA MNBNIAXO2MD  143H MINBURN TELEPHONE COMPANY - IA 632   2022-04-09   
515-581 7 Adel IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2022-12-30   
515-581 8 Adel IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2023-10-15   
515-581 9 Adel IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2022-05-30   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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