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
571-413 A Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-413 0 Dulles VA   073H TELNYX LLC 236   2019-09-08   
571-413 1 Dulles VA   5562 METRO PCS, INC. 236   2019-09-12   
571-413 2 Dulles VA   5562 METRO PCS, INC. 236   2020-04-23   
571-413 3 Dulles VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2019-11-02   
571-413 4 Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-10-29   
571-413 5 Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-04-24   
571-413 6 Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-04-24   
571-413 7 Dulles VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-04-24   
571-413 8 Dulles VA   197D VONAGE NETWORK INC. 236   2020-05-20   
571-413 9 Dulles VA   197D VONAGE NETWORK INC. 236   2020-05-20   

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

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