AT&T Wholesale

• NPA-NXX & E911 Tandem Information
• NPA-NXX Rate Query

NPA-NXX & E911 Tandem Query Tools

Welcome. Use this program to review NPX-NXX, E911 Tandem informaton and/or determine basic rate types between two phone numbers.

This database may be used to obtain information for:

• NPA-NXX codes utilized within AT&T Southeast Region
• E911 Tandem information within AT&T Southeast Region
• Local or Toll charge determination between two NPA-NXXs