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: SNJNPRLGPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
939-545 0 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   
939-545 1 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   
939-545 2 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   
939-545 3 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   
939-545 4 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   
939-545 6 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   
939-545 7 Toa Alta PR 8305 LIBERTY MOBILE PUERTO RICO INC. 820   2016-08-04   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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