Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-491 A Dulles VA   5562 METRO PCS, INC. 236   2017-11-17   
571-491 0 Dulles VA   5832 CORETEL VIRGINIA, LLC - VA 236   2018-06-14   
571-491 1 Dulles VA   5832 CORETEL VIRGINIA, LLC - VA 236   2018-06-14   
571-491 2 Dulles VA   5562 METRO PCS, INC. 236   2018-07-16   
571-491 3 Dulles VA   5832 CORETEL VIRGINIA, LLC - VA 236   2018-06-14   
571-491 4 Dulles VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2019-05-30   
571-491 5 Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-08-10   
571-491 6 Dulles VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2019-07-11   
571-491 7 Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-05-10   
571-491 8 Dulles VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2019-04-12   
571-491 9 Dulles VA   5562 METRO PCS, INC. 236   2017-11-17   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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