A rate center is an area in which all telephone calls are normally local to each other. Calls between nearby rate centers may also be local. Rate center names are usually town names, suburb names or in larger metro areas may be "Dialing zone" names.
The following area codes and exchanges are in rate center Boise:
| (208) 202-XXXX | (208) 229-XXXX | (208) 246-XXXX |
| (208) 247-XXXX | (208) 248-XXXX | (208) 272-XXXX |
| (208) 275-XXXX | (208) 279-XXXX | (208) 283-XXXX |
| (208) 284-XXXX | (208) 286-XXXX | (208) 287-XXXX |
| (208) 288-XXXX | (208) 297-XXXX | (208) 319-XXXX |
| (208) 321-XXXX | (208) 322-XXXX | (208) 323-XXXX |
| (208) 327-XXXX | (208) 330-XXXX | (208) 331-XXXX |
| (208) 332-XXXX | (208) 333-XXXX | (208) 334-XXXX |
| (208) 336-XXXX | (208) 338-XXXX | (208) 340-XXXX |
| (208) 341-XXXX | (208) 342-XXXX | (208) 343-XXXX |
| (208) 344-XXXX | (208) 345-XXXX | (208) 348-XXXX |
| (208) 350-XXXX | (208) 353-XXXX | (208) 361-XXXX |
| (208) 362-XXXX | (208) 363-XXXX | (208) 364-XXXX |
| (208) 367-XXXX | (208) 368-XXXX | (208) 371-XXXX |
| (208) 373-XXXX | (208) 375-XXXX | (208) 376-XXXX |
| (208) 377-XXXX | (208) 378-XXXX | (208) 379-XXXX |
| (208) 381-XXXX | (208) 383-XXXX | (208) 384-XXXX |
| (208) 385-XXXX | (208) 386-XXXX | (208) 387-XXXX |
| (208) 388-XXXX | (208) 389-XXXX | (208) 391-XXXX |
| (208) 392-XXXX | (208) 393-XXXX | (208) 395-XXXX |
| (208) 396-XXXX | (208) 401-XXXX | (208) 407-XXXX |
| (208) 409-XXXX | (208) 412-XXXX | (208) 422-XXXX |
| (208) 424-XXXX | (208) 426-XXXX | (208) 429-XXXX |
| (208) 433-XXXX | (208) 439-XXXX | (208) 440-XXXX |
| (208) 441-XXXX | (208) 445-XXXX | (208) 447-XXXX |
| (208) 460-XXXX | (208) 472-XXXX | (208) 473-XXXX |
| (208) 474-XXXX | (208) 484-XXXX | (208) 485-XXXX |
| (208) 489-XXXX | (208) 493-XXXX | (208) 514-XXXX |
| (208) 545-XXXX | (208) 559-XXXX | (208) 562-XXXX |
| (208) 567-XXXX | (208) 571-XXXX | (208) 573-XXXX |
| (208) 575-XXXX | (208) 577-XXXX | (208) 581-XXXX |
| (208) 585-XXXX | (208) 602-XXXX | (208) 608-XXXX |
| (208) 629-XXXX | (208) 631-XXXX | (208) 639-XXXX |
| (208) 658-XXXX | (208) 672-XXXX | (208) 685-XXXX |
| (208) 692-XXXX | (208) 693-XXXX | (208) 694-XXXX |
| (208) 695-XXXX | (208) 703-XXXX | (208) 706-XXXX |
| (208) 713-XXXX | (208) 723-XXXX | (208) 724-XXXX |
| (208) 728-XXXX | (208) 730-XXXX | (208) 761-XXXX |
| (208) 794-XXXX | (208) 822-XXXX | (208) 830-XXXX |
| (208) 841-XXXX | (208) 846-XXXX | (208) 850-XXXX |
| (208) 853-XXXX | (208) 854-XXXX | (208) 855-XXXX |
| (208) 859-XXXX | (208) 860-XXXX | (208) 861-XXXX |
| (208) 863-XXXX | (208) 866-XXXX | (208) 867-XXXX |
| (208) 869-XXXX | (208) 870-XXXX | (208) 871-XXXX |
| (208) 884-XXXX | (208) 887-XXXX | (208) 888-XXXX |
| (208) 890-XXXX | (208) 891-XXXX | (208) 893-XXXX |
| (208) 895-XXXX | (208) 898-XXXX | (208) 906-XXXX |
| (208) 908-XXXX | (208) 914-XXXX | (208) 919-XXXX |
| (208) 921-XXXX | (208) 922-XXXX | (208) 938-XXXX |
| (208) 939-XXXX | (208) 941-XXXX | (208) 947-XXXX |
| (208) 955-XXXX | (208) 968-XXXX | (208) 975-XXXX |
| (208) 977-XXXX | (208) 978-XXXX | (208) 979-XXXX |
| (208) 988-XXXX | (208) 991-XXXX |