Area Code 521

Area Code 521 Usage:

Area code 521 is utilized for personal communication services. It is not assigned to a geographic area. Area code 521 was officially put into service on 09/21/2017.

Area codes 500, 521, 522, 523, 524, 525, 526, 527, 528, 529, 533, 544, 566, 577, and 588 are used for personal communication services.