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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-226 5 Oakland MD CMLDMDCMEMD  240   2021-04-02   
240-226 6 Oakland MD CMLDMDCMEMD  240   2021-04-02   
240-226 7 Oakland MD CMLDMDCMEMD  240   2021-07-11   
240-229 9 Waldorf MD VINNVACBDS0  236   2023-11-14   
240-232 4 Washington Zone 14 MD VINNVACBDS0  236   2021-09-24   
240-240 1 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  240   2021-04-29   
240-240 2 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  240   2021-05-21   
240-240 3 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  240   2021-05-21   
240-240 6 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  240   2021-09-20   
240-240 7 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  240   2021-09-20   
240-244 4 Washington Zone 16 MD VINNVACBDS0  236   2008-10-05   
240-245 2 Washington Zone 14 MD VINNVACBDS0  236   2012-10-07   
240-248 3 Ridge MD VINNVACBDS0  236   2021-07-12   
240-249 4 Mechanicsville MD VINNVACBDS0  236   2016-03-14   
240-249 7 Mechanicsville MD VINNVACBDS0  236   2016-03-14   
240-255 3 Poolesville MD VINNVACBDS0  236   2021-09-24   
240-257 7 Nanjemoy MD   236   2010-11-19   
240-259 0 Hughesville MD VINNVACBDS0  236   2023-10-22   
240-261 A Gaithersburg MD VINNVACBDS0  236      
240-261 0 Gaithersburg MD VINNVACBDS0  236   2016-02-25   
240-261 1 Gaithersburg MD VINNVACBDS0  236   2016-02-25   
240-261 2 Gaithersburg MD VINNVACBDS0  236   2016-02-25   
240-261 5 Gaithersburg MD VINNVACBDS0  236   2017-05-18   
240-262 0 Lexington Park-Great Mills MD   236   2024-03-01   
240-262 3 Lexington Park-Great Mills MD   236   2024-03-01   
240-262 4 Lexington Park-Great Mills MD   236   2024-03-01   
240-266 5 Washington Zone 14 MD VINNVACBDS0  236   2021-09-24   
240-266 8 Washington Zone 14 MD VINNVACBDS0  236   2021-09-24   
240-266 9 Washington Zone 14 MD VINNVACBDS0  236   2020-04-30   
240-269 2 Washington Zone 16 MD VINNVACBDS0  236   2021-09-24   
240-269 3 Washington Zone 16 MD VINNVACBDS0  236   2021-09-24   
240-269 4 Washington Zone 16 MD VINNVACBDS0  236   2021-09-24   
240-269 5 Washington Zone 16 MD VINNVACBDS0  236   2021-12-23   
240-269 6 Washington Zone 16 MD VINNVACBDS0  236   2021-12-23   
240-269 7 Washington Zone 16 MD VINNVACBDS0  236   2021-12-23   
240-270 0 Waldorf MD VINNVACBDS0  236   2015-07-06   
240-270 5 Waldorf MD VINNVACBDS0  236   2012-10-07   
240-272 8 Washington Zone 2 MD VINNVACBDS0  236   2023-03-02   
240-289 5 Washington Zone 6 MD VINNVACBDS0  236   2020-06-11   
240-289 6 Washington Zone 6 MD VINNVACBDS0  236   2020-06-11   
240-289 7 Washington Zone 6 MD VINNVACBDS0  236   2020-06-11   
240-289 8 Washington Zone 6 MD VINNVACBDS0  236   2020-06-11   
240-290 4 Washington Zone 11 MD   236   2024-02-23   
240-290 5 Washington Zone 11 MD VINNVACBDS0  236   2020-07-04   
240-290 6 Washington Zone 11 MD   236   2024-02-23   
240-290 8 Washington Zone 11 MD   236   2024-02-23   
240-301 A Clear Spring MD CMLDMDCMEMD  240      
240-301 0 Clear Spring MD CMLDMDCMEMD  240   2021-04-29   
240-301 1 Clear Spring MD CMLDMDCMEMD  240   2020-08-08   
240-301 2 Clear Spring MD CMLDMDCMEMD  240   2020-08-08   

<< 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.