Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-590 A Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-590 0 Washington Zone 12 MD WASHDC126MD  964H BARR TELL USA, INC. 236   2018-06-01   
240-590 1 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-06   
240-590 2 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-06   
240-590 3 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-07-06   
240-590 4 Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2019-08-03   
240-590 5 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-09-24   
240-590 6 Washington Zone 12 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-02-26   
240-590 7 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
240-590 8 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
240-590 9 Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2018-05-31   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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