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.

Bittinger, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
227-207 A HGTWMD539MD  939H COMMIO, LLC 240      
227-207 0 HGTWMD539MD  939H COMMIO, LLC 240   2023-11-04   
227-207 1 HGTWMD539MD  939H COMMIO, LLC 240   2023-11-04   
227-207 2 HGTWMD539MD  939H COMMIO, LLC 240   2023-11-04   
227-207 3 HGTWMD539MD  939H COMMIO, LLC 240   2023-11-04   
227-207 4 HGTWMD539MD  939H COMMIO, LLC 240   2023-11-04   
240-594 A HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-594 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2018-07-13   
240-594 1 HGTWMD530MD  073H TELNYX LLC 240   2018-07-19   
240-594 2   145J TERRA NOVA TELECOM INC. 240   2024-02-10   
240-594 3 FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2020-07-17   
240-594 4 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2020-02-16   
240-594 5 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-06-04   
240-594 6   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
240-594 7   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
240-594 8 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2019-04-04   
240-594 9 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2019-04-04   
240-942 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-942 0 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-15   
240-942 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-15   
240-942 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-21   
240-942 3 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-09-20   
240-942 4 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-14   
240-942 5 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2022-02-26   
240-942 6 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-942 7 HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240   2021-10-15   
301-245 A BTNRMDBRRS1  9212 VERIZON MARYLAND, INC. 240      
301-245 0   2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-28   
301-245 1 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-08-10   
301-245 2 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-07-12   
301-245 3 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-01-22   
301-245 4 BTNRMDBRRS1  9212 VERIZON MARYLAND, INC. 240      
301-245 5 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-245 6 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-10-19   
301-245 7 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-02-13   
301-245 8 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-245 9 FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-11-12   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.