Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-292 1 Salisbury MD   242   2020-10-31   
667-305 9 Pikesville MD   238   2016-05-31   
667-307 9 Crofton MD   238   2016-01-04   
667-308 9 Towson MD   238   2013-09-06   
667-309 0 Baltimore MD   238   2014-11-27   
667-309 1 Baltimore MD   238   2013-09-22   
667-321 0 Prince Frederick MD   238   2016-10-14   
667-333 9 Armiger-Gibson Island MD   238   2016-05-31   
667-367 0 Westminster MD   238   2016-05-31   
667-444 0 Baltimore MD   238   2015-11-20   
667-458 2 Annapolis MD   238   2016-10-14   
667-458 3 Annapolis MD   238   2016-10-14   
667-653 8 Brooklyn Park-Linthicum MD   238   2019-04-26   
667-666 9 West River MD   238   2016-10-14   
667-701 6 Elkridge MD   238   2016-10-14   
667-701 8 Elkridge MD   238   2016-01-04   
667-706 8 Elkton MD   238   2016-10-14   
667-771 9 Baltimore MD   238   2016-05-31   
669-203 5 Campbell CA   722   2016-09-11   
669-207 8 San Jose: South DA CA   722   2016-09-26   
669-212 3 San Jose: West DA CA   722   2017-01-24   
669-212 9 San Jose: West DA CA   722   2017-01-24   
669-215 0 Sunnyvale CA   722   2017-01-24   
669-215 1 Sunnyvale CA   722   2017-01-24   
669-233 8 Los Gatos CA   722   2015-06-03   
669-242 2 San Jose: West DA CA   722   2015-05-21   
669-253 1 Morgan Hill CA   722   2014-09-22   
669-256 7 Saratoga CA   722   2015-05-21   
669-267 9 Saratoga CA   722   2016-09-11   
669-273 8 Campbell CA   722   2015-11-20   
669-285 1 San Jose: South DA CA   722   2017-01-25   
669-285 2 San Jose: South DA CA   722   2017-01-25   
669-306 9 San Jose: North DA CA   722   2021-04-23   
669-348 9 Sunnyvale CA SNFCCAMKX6Y  722   2021-05-05   
669-388 7 San Jose: West DA CA   722   2021-04-28   
669-399 7 San Martin CA SNFCCAMKX6Y  722   2021-04-29   
669-600 4 Sunnyvale CA   722   2013-04-12   
678-318 0 Buford GA   438   2013-08-26   
678-453 1 Atlanta Northwest GA   438   2013-05-02   
678-543 9 Atlanta Northeast GA   438   2017-07-01   
678-607 7 Conyers GA   438   2017-07-01   
678-719 6 Cartersville GA   438   2013-08-30   
678-786 3 Concord GA   438   2013-05-02   
678-806 2 Conyers GA   438   2013-05-02   
678-884 2 Atlanta South GA   438   2013-05-02   
678-963 4 Winder GA   438   2015-03-27   
680-202 8 Canastota NY   136   2021-10-31   
680-210 5 Watertown NY   136   2020-06-12   
680-215 1 Newark NY   136   2021-10-23   
680-216 A Syracuse NY SYRCNYSUXLX  136      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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