Initial Block
An initial block or footprint block is the first NXX-X block that a service provider receives in a rate center where the SP has no other assigned resources (FCC 00-104, ¶ 86 and 191).
An initial block or footprint block is the first NXX-X block that a service provider receives in a rate center where the SP has no other assigned resources (FCC 00-104, ¶ 86 and 191).