Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 876D ONVOY, LLC - MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-641 1 Washington Zone 3 MD VINNVACBDS0  236   2015-08-02   
240-641 7 Washington Zone 3 MD VINNVACBDS0  236   2015-06-27   
240-647 5 Clear Spring MD CMLDMDCMEMD  240   2020-01-05   
240-647 9 Clear Spring MD CMLDMDCMEMD  240   2020-01-05   
240-650 A Washington Zone 3 MD VINNVACBDS0  236      
240-650 9 Washington Zone 3 MD VINNVACBDS0  236   2012-02-29   
240-652 2 Mechanicsville MD VINNVACBDS0  236   2012-09-13   
240-655 A Kitzmiller MD CMLDMDCMEMD  240      
240-655 5 Kitzmiller MD CMLDMDCMEMD  240   2018-02-16   
240-655 8 Kitzmiller MD CMLDMDCMEMD  240   2020-01-06   
240-655 9 Kitzmiller MD CMLDMDCMEMD  240   2020-01-06   
240-656 2 Frederick MD CMLDMDCMEMD  240   2020-01-05   
240-656 3 Frederick MD CMLDMDCMEMD  240   2020-01-05   
240-657 1 Frostburg MD CMLDMDCMEMD  240   2016-09-12   
240-657 2 Frostburg MD CMLDMDCMEMD  240   2016-09-12   
240-658 8 Gaithersburg MD   236   2021-02-18   
240-658 9 Gaithersburg MD   236   2021-02-18   
240-660 3 Washington Zone 10 MD VINNVACBDS0  236   2016-04-28   
240-660 4 Washington Zone 10 MD VINNVACBDS0  236   2016-03-14   
240-660 5 Washington Zone 10 MD VINNVACBDS0  236   2016-03-14   
240-661 0 Lexington Park-Great Mills MD VINNVACBDS0  236   2015-10-09   
240-661 6 Lexington Park-Great Mills MD VINNVACBDS0  236   2015-07-13   
240-661 7 Lexington Park-Great Mills MD VINNVACBDS0  236   2016-03-14   
240-661 8 Lexington Park-Great Mills MD VINNVACBDS0  236   2016-03-14   
240-663 5 Middletown MD CMLDMDCMEMD  240   2020-01-06   
240-663 8 Middletown MD CMLDMDCMEMD  240   2020-01-06   
240-665 5 Washington Zone 10 MD VINNVACBDS0  236   2017-07-13   
240-666 7 Nanjemoy MD VINNVACBDS0  236   2016-03-14   
240-666 8 Nanjemoy MD VINNVACBDS0  236   2016-03-14   
240-673 2 Washington Zone 2 MD VINNVACBDS0  236   2020-04-30   
240-673 3 Washington Zone 2 MD VINNVACBDS0  236   2020-04-30   
240-673 6 Washington Zone 2 MD VINNVACBDS0  236   2020-09-11   
240-673 7 Washington Zone 2 MD VINNVACBDS0  236   2020-09-11   
240-679 5 Friendsville MD CMLDMDCMEMD  240   2020-01-06   
240-679 8 Friendsville MD CMLDMDCMEMD  240   2020-01-06   
240-684 8 Washington Zone 13 MD VINNVACBDS0  236   2015-06-27   
240-685 9 Brandywine MD VINNVACBDS0  236   2012-10-06   
240-690 2 Gaithersburg MD VINNVACBDS0  236   2018-06-14   
240-690 5 Gaithersburg MD VINNVACBDS0  236   2017-12-15   
240-690 6 Gaithersburg MD VINNVACBDS0  236   2017-12-15   
240-692 2 Grantsville MD CMLDMDCMEMD  240   2020-01-06   
240-692 3 Grantsville MD CMLDMDCMEMD  240   2020-01-06   
240-692 4 Grantsville MD   240   2021-03-04   
240-693 2 Walkersville MD CMLDMDCMEMD  240   2020-01-06   
240-693 3 Walkersville MD CMLDMDCMEMD  240   2020-01-06   
240-695 1 Washington Zone 5 MD VINNVACBDS0  236   2017-05-19   
240-697 2 Mechanicsville MD VINNVACBDS0  236   2020-04-30   
240-697 3 Mechanicsville MD VINNVACBDS0  236   2020-04-30   
240-697 7 Mechanicsville MD   236   2021-03-04   
240-697 8 Mechanicsville MD   236   2021-03-04   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.