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.

Switch: BLTMMDCH42Z

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-966 6 Fallston MD 876D ONVOY, LLC - MD 238   2021-03-04   
443-967 5 North East MD 876D ONVOY, LLC - MD 238   2016-03-21   
443-967 6 North East MD 876D ONVOY, LLC - MD 238   2016-03-21   
443-968 7 Prince Frederick MD 876D ONVOY, LLC - MD 238   2012-10-08   
443-969 7 Essex MD 876D ONVOY, LLC - MD 238   2014-10-16   
443-969 8 Essex MD 876D ONVOY, LLC - MD 238   2014-10-16   
443-971 3 Taneytown MD 876D ONVOY, LLC - MD 238   2012-10-08   
443-971 7 Taneytown MD 876D ONVOY, LLC - MD 238   2020-06-04   
443-973 4 Ellicott City MD 876D ONVOY, LLC - MD 238   2014-09-05   
443-973 5 Ellicott City MD 876D ONVOY, LLC - MD 238   2014-10-17   
443-979 8 Columbia MD 876D ONVOY, LLC - MD 238   2014-10-20   
443-979 9 Columbia MD 876D ONVOY, LLC - MD 238   2014-10-20   
443-981 2 Fallston MD 876D ONVOY, LLC - MD 238   2012-10-07   
443-991 8 Towson MD 876D ONVOY, LLC - MD 238   2012-02-29   
443-993 5 Elkton MD 876D ONVOY, LLC - MD 238   2014-10-28   
443-993 8 Elkton MD 876D ONVOY, LLC - MD 238   2014-10-28   
443-998 2 Parkville MD 876D ONVOY, LLC - MD 238   2024-02-23   
443-998 4 Parkville MD 876D ONVOY, LLC - MD 238   2024-02-23   
443-998 5 Parkville MD 876D ONVOY, LLC - MD 238   2024-02-23   
443-998 6 Parkville MD 876D ONVOY, LLC - MD 238   2024-02-23   
443-998 7 Parkville MD 876D ONVOY, LLC - MD 238   2016-01-11   
443-998 8 Parkville MD 876D ONVOY, LLC - MD 238   2014-12-31   
443-998 9 Parkville MD 876D ONVOY, LLC - MD 238   2014-12-31   
667-200 A Columbia MD 876D ONVOY, LLC - MD 238      
667-200 0 Columbia MD 876D ONVOY, LLC - MD 238   2016-02-18   
667-200 1 Columbia MD 876D ONVOY, LLC - MD 238   2016-04-28   
667-200 2 Columbia MD 876D ONVOY, LLC - MD 238   2016-04-28   
667-200 3 Columbia MD 876D ONVOY, LLC - MD 238   2017-06-18   
667-201 5 Bel Air MD 876D ONVOY, LLC - MD 238   2018-05-27   
667-201 6 Bel Air MD 876D ONVOY, LLC - MD 238   2017-06-02   
667-202 A Elkton MD 876D ONVOY, LLC - MD 238      
667-202 0 Elkton MD 876D ONVOY, LLC - MD 238   2016-04-14   
667-202 1 Elkton MD 876D ONVOY, LLC - MD 238   2016-04-14   
667-206 3 Towson MD 876D ONVOY, LLC - MD 238   2016-01-11   
667-206 5 Towson MD 876D ONVOY, LLC - MD 238   2014-10-11   
667-206 6 Towson MD 876D ONVOY, LLC - MD 238   2014-10-11   
667-213 1 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-213 2 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-213 5 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-213 6 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-215 4 Elkton MD 876D ONVOY, LLC - MD 238   2021-09-23   
667-215 8 Elkton MD 876D ONVOY, LLC - MD 238   2018-02-25   
667-218 3 Baltimore MD 876D ONVOY, LLC - MD 238   2015-04-06   
667-218 4 Baltimore MD 876D ONVOY, LLC - MD 238   2015-04-06   
667-218 5 Baltimore MD 876D ONVOY, LLC - MD 238   2015-04-06   
667-222 A Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238      
667-222 0 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2015-10-15   
667-222 1 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2015-10-15   
667-222 2 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2015-10-15   
667-222 3 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2016-01-21   
667-222 4 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2016-05-01   
667-222 5 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2016-03-19   
667-222 6 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2019-05-17   
667-225 3 Annapolis MD 876D ONVOY, LLC - MD 238   2016-08-05   
667-225 5 Annapolis MD 876D ONVOY, LLC - MD 238   2016-08-05   
667-229 0 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-229 2 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-229 3 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-229 4 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-231 2 Aberdeen MD 876D ONVOY, LLC - MD 236   2014-10-03   
667-231 3 Aberdeen MD 876D ONVOY, LLC - MD 236   2014-10-03   
667-232 7 Glen Burnie MD 876D ONVOY, LLC - MD 238   2022-10-16   
667-236 8 Perryville MD 876D ONVOY, LLC - MD 238   2019-02-19   
667-236 9 Perryville MD 876D ONVOY, LLC - MD 238   2019-02-19   
667-239 1 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 2 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 4 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 5 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 6 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 7 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 8 Baltimore MD 876D ONVOY, LLC - MD 238   2014-10-06   
667-239 9 Baltimore MD 876D ONVOY, LLC - MD 238   2014-10-06   
667-240 8 Columbia MD 876D ONVOY, LLC - MD 238   2018-05-27   
667-256 8 Aberdeen MD 876D ONVOY, LLC - MD 236   2019-02-19   
667-256 9 Aberdeen MD 876D ONVOY, LLC - MD 236   2019-02-19   
667-257 5 Columbia MD 876D ONVOY, LLC - MD 238   2022-10-16   
667-260 A Baltimore MD 876D ONVOY, LLC - MD 238      
667-260 0 Baltimore MD 876D ONVOY, LLC - MD 238   2025-01-06   
667-260 1 Baltimore MD 876D ONVOY, LLC - MD 238   2025-01-06   
667-260 6 Baltimore MD 876D ONVOY, LLC - MD 238   2016-02-12   
667-261 6 Columbia MD 876D ONVOY, LLC - MD 238   2021-01-11   
667-261 7 Columbia MD 876D ONVOY, LLC - MD 238   2021-01-11   
667-262 6 Baltimore MD 876D ONVOY, LLC - MD 238   2019-11-17   
667-262 7 Baltimore MD 876D ONVOY, LLC - MD 238   2019-11-17   
667-263 3 Dundalk MD 876D ONVOY, LLC - MD 238   2021-07-11   
667-263 4 Dundalk MD 876D ONVOY, LLC - MD 238   2021-07-11   
667-263 6 Dundalk MD 876D ONVOY, LLC - MD 238   2022-10-16   
667-268 7 Darlington MD 876D ONVOY, LLC - MD 238   2022-12-03   
667-272 0 Westminster MD 876D ONVOY, LLC - MD 238   2021-09-23   
667-275 3 Towson MD 876D ONVOY, LLC - MD 238   2021-07-12   
667-275 4 Towson MD 876D ONVOY, LLC - MD 238   2021-07-12   
667-276 6 Bel Air MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-276 7 Bel Air MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-276 8 Bel Air MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-280 4 Ellicott City MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-280 5 Ellicott City MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-280 6 Ellicott City MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-280 9 Ellicott City MD 876D ONVOY, LLC - MD 238   2021-09-23   
667-283 2 Fork MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-283 3 Fork MD 876D ONVOY, LLC - MD 238   2021-07-11   

<< 1 2 3 4 5 6 7 8 9 10 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.