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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-540 2 Washington Zone 13 (Baltimore LATA) MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
240-653 4 Laurel (Baltimore LATA) MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
240-742 7 Washington Zone 14 (Baltimore LATA) MD 506J TWILIO INTERNATIONAL INC 238   2021-01-23   
240-859 5 Ashton (Baltimore LATA) MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
410-210 2 Glen Burnie MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
410-671 3 Edgewood MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
410-904 4 Waterloo MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
410-914 2 Churchville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-209 2 Havre de Grace MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-228 2 Chase MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-229 5 Severna Park MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-242 8 Sparrows Point MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-265 3 Fork MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-266 0 Glenwood MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-281 4 Cockeysville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-300 5 Sykesville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-302 5 Crofton MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-331 6 Taneytown MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-335 7 Brooklyn Park-Linthicum MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-342 0 Solomons MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-420 5 Ellicott City MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-491 6 Parkton MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-505 5 Essex MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-508 6 Hampstead MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-565 3 Randallstown MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-595 5 Sparks-Glencoe MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-646 0 North Beach MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-656 5 Columbia MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-671 3 New Windsor MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-685 2 Severn MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-693 6 Perryville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-701 7 Arbutus MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-704 5 Odenton MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-715 8 North East MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-719 2 Jarrettsville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-748 8 Millersville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-767 5 Worthington MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-781 7 Armiger-Gibson Island MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-830 4 Catonsville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-940 3 Pikesville MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-966 7 Fallston MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-237 5 West River MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-263 2 Dundalk MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-268 2 Darlington MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-272 2 Westminster MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-274 2 Elkridge MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-276 2 Bel Air MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-289 2 Aberdeen MD 506J TWILIO INTERNATIONAL INC 236   2020-12-26   
667-294 2 Towson MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-296 5 Reisterstown MD 506J TWILIO INTERNATIONAL INC 238   2020-12-26   

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Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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