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
408-939 A San Jose: West DA CA SNJUCACLDS1  722      
408-948 A San Jose: West DA CA SNFCCA21XEZ  722   2024-01-30   
408-949 A San Jose: West DA CA SNFCCA21XEZ  722      
408-951 A San Jose: West DA CA SNFCCA21XEZ  722      
409-353 A Beaumont TX BUMTTXATTMD  562      
409-456 A Beaumont TX BUMTTXATTMD  562      
409-634 A Nederland-Port Neches TX BUMTTXATTMD  562      
409-671 A Texas City-La Marque TX HSTXTX152MD  560      
410-232 A Baltimore MD HNVAMDAE3MD  238      
410-283 A Towson MD HNVAMDAE3MD  238      
410-331 A Elkridge MD HNVAMDAE3MD  238      
410-351 A Baltimore MD HNVAMDAE3MD  238      
410-373 A Towson MD HNVAMDAE3MD  238      
410-389 A Baltimore MD HNVAMDAE3MD  238      
410-408 A Towson MD HNVAMDAE3MD  238      
410-434 A Towson MD HNVAMDAE3MD  238      
410-445 A Baltimore MD HNVAMDAE3MD  238      
410-447 A Columbia MD HNVAMDAE3MD  238      
410-460 A Elkridge MD HNVAMDAE3MD  238      
410-473 A Towson MD HNVAMDAE3MD  238      
410-475 A Towson MD HNVAMDAE3MD  238      
410-492 A Towson MD HNVAMDAE3MD  238      
410-607 A Towson MD HNVAMDAE3MD  238      
410-640 A Baltimore MD HNVAMDAE3MD  238      
410-678 A Elkridge MD HNVAMDAE3MD  238      
410-681 A Towson MD HNVAMDAE3MD  238      
410-731 A Annapolis MD HNVAMDAE3MD  238      
410-743 A Baltimore MD HNVAMDAE3MD  238      
410-748 A Ellicott City MD HNVAMDAE3MD  238      
410-806 A Towson MD HNVAMDAE3MD  238      
410-839 A Towson MD HNVAMDAE3MD  238      
410-890 A Towson MD HNVAMDAE3MD  238      
410-894 A Towson MD HNVAMDAE3MD  238      
410-899 A Towson MD HNVAMDAE3MD  238      
410-909 A Elkridge MD HNVAMDAE3MD  238      
410-932 A Elkridge MD HNVAMDAE3MD  238      
412-270 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-272 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-280 A Pittsburgh Zone 1 PA PYVLPAPB2MD  234      
412-300 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-581 A Pittsburgh Zone 1 PA PYVLPAPB2MD  234      
412-590 A Pittsburgh Zone 2 PA PYVLPAPB2MD  234      
412-591 A Pittsburgh Zone 2 PA PYVLPAPB2MD  234      
412-597 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-602 A Pittsburgh Zone 6 PA PYVLPAPB2MD  234      
412-617 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-640 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-649 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      
412-669 A Pittsburgh Zone 6 PA PYVLPAPB2MD  234      
412-686 A Pittsburgh Suburban Zone 14 PA PYVLPAPB2MD  234      

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

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