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: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-789 A Washington Zone 10 MD VINNVACB7MD  181J ADVANCED TELECOM SOLUTIONS, LLC 236      
240-789 0 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-06-14   
240-789 1 Washington Zone 10 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2021-10-31   
240-789 2 Washington Zone 10 MD VINNVACB7MD  181J ADVANCED TELECOM SOLUTIONS, LLC 236   2021-09-24   
240-789 3 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-08-04   
240-789 4 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-04-25   
240-789 5 Washington Zone 10 MD WASHDC12MMD  516J TON80 COMMUNICATIONS, LLC 236   2021-11-29   
240-789 6 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-08-04   
240-789 7 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-04   
240-789 8 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-04   
240-789 9 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-04   

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

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