PACIFICDENTAL
Area Classifications by Zip Code (First 3 digits)
| Alabama | 670-671 | 5 | 270, 272-274 | 6 | |
| 350-359, 354, 362 | 5 | 660-661, 664-666 | 6 | 278-281,283-285 | 6 |
| 360-361, 363-369 | 4 | 672, 662-663 | 7 | 275-277 | 7 |
| Alaska 995-999 | 23 | Kentucky | 271, 282 | 8 | |
| Arizona | 400-404, 406, 410 | 4 | North Dakota 580-588 | 6 | |
| 855, 859-865 | 7 | 405, 420-424 | 5 | Ohio | |
| 852-853, 856-857 | 8 | 407-409, 411-418 | 6 | 433, 437-438, 446 | 5 |
| 850 | 9 | 425-427 | 6 | 448-451 453-458 | 5 |
| Arkansas | Louisiana | 430, 431, 434-436 | 6 | ||
| 729 | 5 | 700-708 | 5 | 439, 440, 442-445 | 6 |
| 716-728 | 6 | 710-714 | 6 | 447, 452 | 6 |
| California | Maine | 432 | 7 | ||
| 932-933, 935-939 | 15 | 039, 043-049 | 7 | 441 | 8 |
| 952-955, 959-961 | 15 | 040-042 | 9 | Oklahoma | |
| 919-925, 930-931, 934 | 16 | Maryland | 734, 743-745 | 5 | |
| 942, 956-958 | 17 | 215-219 | 8 | 747-748, 749 | 5 |
| 910-918 | 18 | 210-211, 214 | 9 | 730-731, 735-741, 746 | 6 |
| 905-908, 926-928 | 19 | 212 | 10 | Oregon | |
| 945-949 | 19 | 206-207 | 11 | 974-975 | 13 |
| 940-941, 943-944 | 20 | 208-209 | 12 | 976-979 | 12 |
| 950-951 | 20 | Massachusetts | 973 | 14 | |
| 900-904 | 23 | 010-016, 019, 023 | 9 | 970-972 | 15 |
| Colorado | 020, 025-027 | 10 | Pennsylvania | ||
| 805-807, 811-816 | 7 | 017-018 | 11 | 169, 177-178 | 3 |
| 808-810 | 9 | 021-022, 024 | 12 | 160-165, 167, 172-176 | 5 |
| 800-804 | 10 | Michigan | 179, 182, 184-188 | 5 | |
| Connecticut | 497-499 | 5 | 195-196 | 5 | |
| 060-064, 067 | 13 | 490-496 | 6 | 150-159, 166, 168 | 6 |
| 065-066, 068-069 | 15 | 486-487 | 7 | 170-171 | 6 |
| Delaware | 488-489 | 9 | 180-181, 183 | 8 | |
| 197-199 | 13 | 480, 484-485 | 10 | 189-191, 193-194 | 10 |
| District of Columbia | 481-483 | 11 | Puerto Rico 006-009 | 10 | |
| 200, 202-205 | 15 | Minnesota | Rhode Island 028-029 | 12 | |
| Florida | 556-557, 560-567 | 5 | South Carolina 290-299 | 7 | |
| 321 | 5 | 558-559 | 6 | South Dakota 570-577 | 5 |
| 320, 323-328, 335 | 7 | 550 | 7 | Tennessee | |
| 337-339, 341-347, 349 | 7 | 551, 553, 555 | 8 | 373-374, 376-380 | 4 |
| 322, 329, 336 | 8 | 554 | 9 | 382-383, 385 | 4 |
| 330, 332, 340 | 9 | Mississippi | 370-371, 381, 384 | 6 | |
| 334 | 10 | 386-389, 393, 397 | 4 | 372 | 7 |
| 333 | 12 | 390-392, 394-396 | 10 | Texas | |
| 331 | 18 | Missouri | 754-759, 768-769, 776 | 7 | |
| Georgia | 635, 639, 644-657 | 4 | 779, 781, 788, 797-798 | 7 | |
| 305-310, 312, 316-319 | 7 | 658 | 5 | 765-767, 778, 780 | 8 |
| 304, 313-315 | 8 | 636-638, 640-641 | 6 | 782-785, 790-796 | 8 |
| 301-302 | 9 | 630-634 | 7 | 760-764, 786-787 | 9 |
| 300 | 11 | Montana 590-599 | 7 | 789, 799 | 9 |
| 303, 311 | 12 | Nebraska | 750-751, 773-775, 777 | 10 | |
| Hawaii 967-968 | 12 | 685 | 3 | 752-753 | 11 |
| Idaho | 680, 683-684, 686-693 | 4 | 770-772 | 12 | |
| 832-836, 838 | 6 | 681 | 5 | Utah | |
| 837 | 8 | Nevada | 842-844 | 4 | |
| Illinois | 890-891 | 10 | 840-841, 845-847 | 5 | |
| 623, 625-626 | 5 | 893-895, 897-898 | 13 | Vermont | |
| 609-610, 612-617 | 6 | New Hampshire | 050-054, 056-059 | 6 | |
| 624, 627-629 | 6 | 038 | 8 | Virginia | |
| 611, 618-622 | 7 | 030-037 | 9 | 239-243, 245-246 | 5 |
| 604 | 8 | New Jersey | 226-229, 244 | 7 | |
| 600-603, 605 | 9 | 080-084 | 9 | 224-225, 230-238 | 8 |
| 606-608 | 11 | 077, 085-087 | 12 | 201, 220-223 | 11 |
| Indiana | 070-073, 088-089 | 13 | Washington | ||
| 467-468, 470-472 | 4 | 074-076, 078-079 | 14 | 988-994 | 17 |
| 474-478 | 4 | New Mexico | 985-986 | 18 | |
| 460-461, 469, 473, 479 | 5 | 870-875, 877-885 | 8 | 982-984 | 19 |
| 462, 465-466 | 6 | New York | 980-981 | 20 | |
| 463-464 | 7 | 130-143, 147 | 5 | West Virginia 247-268 | 6 |
| Iowa | 144-146, 148-149 | 6 | Wisconsin | ||
| 504, 506-507 | 3 | 120-129 | 8 | 535, 538, 540, 545-546 | 4 |
| 520-521, 525-526 | 3 | 115-119 | 12 | 548 | 4 |
| 505, 508, 510, 512-516 | 4 | 109 | 14 | 539, 541-542, 544 | 5 |
| 500-503, 509, 511 | 5 | 103-108, 110-114 | 16 | 547, 549 | 5 |
| 522-524, 527-528 | 5 | 100-102 | 24 | 530, 543 | 6 |
| Kansas | North Carolina | 531-532, 534, 537 | 7 | ||
| 667-669, 673-679 | 4 | 286-289 | 5 | Wyoming 820-831 | 5 |