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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-471 A Washington Zone 12 MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-471 0 Washington Zone 12 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-471 3 Washington Zone 12 MD   4716 PAETEC COMMUNICATIONS, INC. - MD 236   2005-02-18   
240-471 4 Washington Zone 12 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-471 5 Washington Zone 12 MD   5562 METRO PCS, INC. 236   2013-06-16   
240-471 6 Washington Zone 12 MD   876D ONVOY, LLC - MD 236   2014-10-27   
240-471 9 Washington Zone 12 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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