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: 6630 USA MOBILITY WIRELESS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
408-788 A San Jose: West DA CA LVMRCAQACM0  722      
408-798 A San Jose: West DA CA LVMRCAQACM0  722      
408-814 A San Jose: West DA CA LVMRCAQACM0  722      
408-815 A San Jose: West DA CA LVMRCAQACM0  722      
408-820 A San Jose: West DA CA LVMRCAQACM0  722      
408-860 A San Jose: West DA CA LVMRCAQACM0  722      
408-870 A San Jose: West DA CA LVMRCAQACM0  722      
408-932 A San Jose: West DA CA LVMRCAQACM0  722      
408-939 A San Jose: West DA CA OKLDCAAN2KD  722      
408-948 A San Jose: West DA CA LVMRCAQACM0  722      
408-949 A San Jose: West DA CA LVMRCAQACM0  722      
408-951 A San Jose: West DA CA LVMRCAQACM0  722      
409-353 A Beaumont TX BUMTTX76CM3  562      
409-456 A Beaumont TX BUMTTXTECG0  562      
409-532 A Bridge City TX BUMTTX76CM3  562      
409-557 A Beaumont TX BUMTTX76CM3  562      
409-634 A Nederland-Port Neches TX BUMTTX76CM3  562      
409-671 A Texas City-La Marque TX HLTPTXWICM0  560      
410-232 A Baltimore MD HNVAMDAECM0  238      
410-283 A Towson MD HNVAMDAECM0  238      
410-331 A Elkridge MD HNVAMDAECM0  238      
410-351 A Baltimore MD HNVAMDAECM0  238      
410-373 A Towson MD HNVAMDAECM0  238      
410-389 A Baltimore MD HNVAMDAECM0  238      
410-408 A Towson MD HNVAMDAECM0  238      
410-434 A Towson MD HNVAMDAECM0  238      
410-445 A Baltimore MD HNVAMDAECM0  238      
410-447 A Columbia MD HNVAMDAECM0  238      
410-460 A Elkridge MD HNVAMDAECM0  238      
410-473 A Towson MD HNVAMDAECM0  238      
410-475 A Towson MD HNVAMDAECM0  238      
410-478 A Elkridge MD HNVAMDAECM0  238      
410-492 A Towson MD HNVAMDAECM0  238      
410-607 A Towson MD HNVAMDAECM0  238      
410-640 A Baltimore MD HNVAMDAECM0  238      
410-678 A Elkridge MD HNVAMDAECM0  238      
410-681 A Towson MD HNVAMDAECM0  238      
410-731 A Annapolis MD HNVAMDAECM0  238      
410-743 A Baltimore MD HNVAMDAECM0  238      
410-748 A Ellicott City MD HNVAMDAECM0  238      
410-806 A Towson MD HNVAMDAECM0  238      
410-839 A Towson MD HNVAMDAECM0  238      
410-890 A Towson MD HNVAMDAECM0  238      
410-894 A Towson MD HNVAMDAECM0  238      
410-899 A Towson MD HNVAMDAECM0  238      
410-909 A Elkridge MD HNVAMDAECM0  238      
410-932 A Elkridge MD HNVAMDAECM0  238      
412-270 A Pittsburgh Suburban Zone 14 PA GRTRPAABCM8  234      
412-272 A Pittsburgh Suburban Zone 14 PA GRTRPAABCM8  234      
412-280 A Pittsburgh Zone 1 PA GRTRPAABCM8  234      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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