There are more than 315 US state area codes which are all allocated to specific states, towns, and cities throughout the United States. There are also 15 other US area codes that aren’t assigned to a specific geographic region.
Some states use just one area code for the entire state but the majority use different and unique US state area codes for cities, towns, and counties, or specific geographical regions of a US state. Generally, highly populated states in the US have more than one US state area code to ensure there is a continual supply of phone numbers in the region.
If you want to go straight to our complete listing of US State area codes (below), click HERE.
The state of California has the largest number of US state area codes, 36 of them! Texas has the second most with 27 and Florida has 18 different area codes.
Some US states are assigned to a single area code if their population is not that high, while many US state area codes have been created and added to states that have a much larger population. By adding new area codes, millions of new numbers become available for a specific region of a state.
Area Code Listing By Number
The United States area codes were created and are monitored by Federal state authorities, the North American Numbering Plan Administrator (NANP), and the FCC have jurisdiction over the telephone number administration. The FCC gives the authority to states when deciding when and how to add and introduce area code listings by number in the US.
An area code overlay is an addition of another area code to the same geographic area as an existing area code. The area code listing by number system is added to the existing area to make sure there is a continual supply of phone numbers in the region. What this means is that more than one area code will serve a specific state or a certain geographical area within that state. This is known as an overlay.
When the population and saturation of phone numbers reach capacity in a specific area an additional 3-digit overlay is added. This is generally not a cause for concern because you won’t have to change your existing number or area code, it will continue to function as normal.
Even if you are calling someone who has the same area code listing as you, you must dial the area code + the telephone number, typically a total of 10-digits.
The Area Code Listing by Number table below displays the 300+ dialing codes required when making calls to those in different states and areas throughout the U.S. The area code listing table is in numerical order for your convenience.
What you will find useful about this table is that if you receive a phone call from a friend, family member, colleague, or business inquiry, you will generally be able to tell what state they are calling from by identifying which 3-digit area code they have from the list below.
From a business perspective, many people leave voicemails with their telephone number but they rarely say what state they are calling from. By using our area code listing by number table below, you can usually determine this before calling them back.
Since there are different time zones in the U.S., if you happen to be on the East Coast and receive a voicemail from someone who you have determined might have called you from a California area code, you might want to wait before calling them at 9:00 am ET, because it will be 6:00 am in CA!
Of course, this is not a hard and fast rule because someone may have lived in CA and since moved to NYC, but still have their CA area code phone number, which often happens. Nonetheless, the list of area codes by state table below will always be extremely useful to you, so bookmark this page.
List of Area Codes by State
The following area code listing by number table shows all the various US state area codes in numerical order. The next time you receive a call from an area code you do not recognize you can refer to this table and quickly find what state the person is calling from.
US Area Codes | State | Area Codes by State |
---|---|---|
201 | NJ | New Jersey Area Code |
202 | DC | Washington, D.C. Area Code (Changed to 771 in 2021) |
203 | CT | Connecticut Area Code |
205 | AL | Alabama Area Code |
206 | WA | Washington Area Code |
207 | ME | Maine Area Code |
208 | ID | Idaho Area Code |
209 | CA | California Area Code |
210 | TX | Texas Area Code |
212 | NY | New York Area Code |
213 | CA | California Area Code |
214 | TX | Texas Area Code (Changed to 945 in 2021) |
215 | PA | Pennsylvania Area Code |
216 | OH | Ohio Area Code |
217 | IL | Illinois Area Code (Changed to 447 in 2021) |
218 | MN | Minnesota Area Code |
219 | IN | Indiana Area Code |
220 | OH | Ohio Area Code |
223 | PA | Pennsylvania Area Code |
224 | IL | Illinois Area Code |
225 | LA | Louisiana Area Code |
228 | MS | Mississippi Area Code |
229 | GA | Georgia Area Code |
231 | MI | Michigan Area Code |
234 | OH | Ohio Area Code |
239 | FL | Florida Area Code |
240 | MD | Maryland Area Code |
248 | MI | Michigan Area Code |
251 | AL | Alabama Area Code |
252 | NC | North Carolina Area Code |
253 | WA | Washington Area Code |
254 | TX | Texas Area Code |
256 | AL | Alabama Area Code |
260 | IN | Indiana Area Code |
262 | WI | Wisconsin Area Code |
267 | PA | Pennsylvania Area Code |
269 | MI | Michigan Area Code |
270 | KY | Kentucky Area Code |
272 | PA | Pennsylvania Area Code |
276 | VA | Virginia Area Code |
278 | MI | Michigan Area Code |
281 | TX | Texas Area Code |
283 | OH | Ohio Area Code |
301 | MD | Maryland Area Code |
302 | DE | Delaware Area Code |
303 | CO | Colorado Area Code |
304 | WV | West Virginia Area Code |
305 | FL | Florida Area Code |
307 | WY | Wyoming Area Code |
308 | NE | Nebraska Area Code |
309 | IL | Illinois Area Code |
310 | CA | California Area Code |
312 | IL | Illinois Area Code |
313 | MI | Michigan Area Code |
314 | MO | Missouri Area Code |
315 | NY | New York Area Code |
316 | KS | Kansas Area Code |
317 | IN | Indiana Area Code |
318 | LA | Louisiana Area Code |
319 | IA | Iowa Area Code |
320 | MN | Minnesota Area Code |
321 | FL | Florida Area Code |
323 | CA | California Area Code |
325 | TX | Texas Area Code |
330 | OH | Ohio Area Code |
331 | IL | Illinois Area Code |
332 | NY | New York Area Code |
334 | AL | Alabama Area Code |
336 | NC | North Carolina Area Code |
337 | LA | Louisiana Area Code |
339 | MA | Massachusetts Area Code |
346 | TX | Texas Area Code |
347 | NY | New York Area Code |
351 | MA | Massachusetts Area Code |
352 | FL | Florida Area Code |
360 | WA | Washington Area Code |
361 | TX | Texas Area Code |
380 | OH | Ohio Area Code |
385 | UT | Utah Area Code |
386 | FL | Florida Area Code |
401 | RI | Rhode Island Area Code |
402 | NE | Nebraska Area Code |
404 | GA | Georgia Area Code |
405 | OK | Oklahoma Area Code (Changed to 572 in 2021) |
406 | MT | Montana Area Code |
407 | FL | Florida Area Code |
408 | CA | California Area Code |
409 | TX | Texas Area Code |
410 | MD | Maryland Area Code |
412 | PA | Pennsylvania Area Code |
413 | MA | Massachusetts Area Code |
414 | WI | Wisconsin Area Code |
415 | CA | California Area Code |
417 | MO | Missouri Area Code |
419 | OH | Ohio Area Code |
423 | TN | Tennessee Area Code |
424 | CA | California Area Code |
425 | WA | Washington Area Code |
430 | TX | Texas Area Code |
432 | TX | Texas Area Code |
434 | VA | Virginia Area Code |
435 | UT | Utah Area Code |
440 | OH | Ohio Area Code |
442 | CA | California Area Code |
443 | MD | Maryland Area Code |
447 | IL | Illinois Area Code (Changed from 217 in 2021) |
448 | FL | Florida Area Code (Changed from 850 in 2021) |
458 | OR | Oregon Area Code |
464 | IL | Illinois Area Code |
469 | TX | Texas Area Code (Changed to 945 in 2021) |
470 | GA | Georgia Area Code |
475 | CT | Connecticut Area Code |
478 | GA | Georgia Area Code |
479 | AR | Arkansas Area Code |
480 | AZ | Arizona Area Code |
484 | PA | Pennsylvania Area Code |
501 | AR | Arkansas Area Code |
502 | KY | Kentucky Area Code |
503 | OR | Oregon Area Code |
504 | LA | Louisiana Area Code |
505 | NM | New Mexico Area Code |
507 | MN | Minnesota Area Code |
508 | MA | Massachusetts Area Code |
509 | WA | Washington Area Code |
510 | CA | California Area Code |
512 | TX | Texas Area Code |
513 | OH | Ohio Area Code |
515 | IA | Iowa Area Code |
516 | NY | New York Area Code |
517 | MI | Michigan Area Code |
518 | NY | New York Area Code |
520 | AZ | Arizona Area Code |
530 | CA | California Area Code |
539 | OK | Oklahoma Area Code |
540 | VA | Virginia Area Code |
541 | OR | Oregon Area Code |
551 | NJ | New Jersey Area Code |
557 | MO | Missouri Area Code |
559 | CA | California Area Code |
561 | FL | Florida Area Code |
562 | CA | California Area Code |
563 | IA | Iowa Area Code |
564 | WA | Washington Area Code |
567 | OH | Ohio Area Code |
570 | PA | Pennsylvania Area Code |
571 | VA | Virginia Area Code |
572 | OK | Oklahoma Area Code (Changed from 405 in 2021) |
573 | MO | Missouri Area Code |
574 | IN | Indiana Area Code |
575 | NM | New Mexico Area Code |
580 | OK | Oklahoma Area Code |
585 | NY | New York Area Code |
586 | MI | Michigan Area Code |
601 | MS | Mississippi Area Code |
602 | AZ | Arizona Area Code |
603 | NH | New Hampshire Area Code |
605 | SD | South Dakota Area Code |
606 | KY | Kentucky Area Code |
607 | NY | New York Area Code |
608 | WI | Wisconsin Area Code |
609 | NJ | New Jersey Area Code |
610 | PA | Pennsylvania Area Code |
612 | MN | Minnesota Area Code |
614 | OH | Ohio Area Code |
615 | TN | Tennessee Area Code |
616 | MI | Michigan Area Code |
617 | MA | Massachusetts Area Code |
618 | IL | Illinois Area Code |
619 | CA | California Area Code |
620 | KS | Kansas Area Code |
623 | AZ | Arizona Area Code |
626 | CA | California Area Code |
628 | CA | California Area Code |
629 | TN | Tennessee Area Code |
630 | IL | Illinois Area Code |
631 | NY | New York Area Code |
636 | MO | Missouri Area Code |
641 | IA | Iowa Area Code |
646 | NY | New York Area Code |
650 | CA | California Area Code |
651 | MN | Minnesota Area Code |
657 | CA | California Area Code |
660 | MO | Missouri Area Code |
661 | CA | California Area Code |
662 | MS | Mississippi Area Code |
667 | MD | Maryland Area Code |
669 | CA | California Area Code |
678 | GA | Georgia Area Code |
679 | MI | Michigan Area Code |
681 | WV | West Virginia Area Code |
682 | TX | Texas Area Code |
689 | FL | Florida Area Code |
701 | ND | North Dakota Area Code |
702 | NV | Nevada Area Code |
703 | VA | Virginia Area Code |
704 | NC | North Carolina Area Code |
706 | GA | Georgia Area Code |
707 | CA | California Area Code |
708 | IL | Illinois Area Code |
712 | IA | Iowa Area Code |
713 | TX | Texas Area Code |
714 | CA | California Area Code |
715 | WI | Wisconsin Area Code |
716 | NY | New York Area Code |
717 | PA | Pennsylvania Area Code |
718 | NY | New York Area Code |
719 | CO | Colorado Area Code |
720 | CO | Colorado Area Code |
724 | PA | Pennsylvania Area Code |
725 | NV | Nevada Area Code |
727 | FL | Florida Area Code |
731 | TN | Tennessee Area Code |
732 | NJ | New Jersey Area Code |
734 | MI | Michigan Area Code |
737 | TX | Texas Area Code |
740 | OH | Ohio Area Code |
743 | NC | North Carolina Area Code |
747 | CA | California Area Code |
754 | FL | Florida Area Code |
757 | VA | Virginia Area Code |
760 | CA | California Area Code |
762 | GA | Georgia Area Code |
763 | MN | Minnesota Area Code |
765 | IN | Indiana Area Code |
769 | MS | Mississippi Area Code |
770 | GA | Georgia Area Code |
771 | DC | Washington, D.C. Area Code (Changed from 202 in 2021) |
772 | FL | Florida Area Code |
773 | IL | Illinois Area Code |
774 | MA | Massachusetts Area Code |
775 | NV | Nevada Area Code |
779 | IL | Illinois Area Code |
781 | MA | Massachusetts Area Code |
786 | FL | Florida Area Code |
801 | UT | Utah Area Code |
802 | VT | Vermont Area Code |
803 | SC | South Carolina Area Code |
804 | VA | Virginia Area Code |
805 | CA | California Area Code |
806 | TX | Texas Area Code |
808 | HI | Hawaii Area Code |
810 | MI | Michigan Area Code |
812 | IN | Indiana Area Code |
813 | FL | Florida Area Code |
814 | PA | Pennsylvania Area Code |
815 | IL | Illinois Area Code |
816 | MO | Missouri Area Code |
817 | TX | Texas Area Code |
818 | CA | California Area Code |
828 | NC | North Carolina Area Code |
830 | TX | Texas Area Code |
831 | CA | California Area Code |
832 | TX | Texas Area Code |
835 | PA | Pennsylvania Area Code |
843 | SC | South Carolina Area Code |
845 | NY | New York Area Code |
847 | IL | Illinois Area Code |
848 | NJ | New Jersey Area Code |
850 | FL | Florida Area Code (Changed to 448 in 2021) |
856 | NJ | New Jersey Area Code |
857 | MA | Massachusetts Area Code |
858 | CA | California Area Code |
859 | KY | Kentucky Area Code |
860 | CT | Connecticut Area Code |
862 | NJ | New Jersey Area Code |
863 | FL | Florida Area Code |
864 | SC | South Carolina Area Code |
865 | TN | Tennessee Area Code |
870 | AR | Arkansas Area Code |
872 | IL | Illinois Area Code |
901 | TN | Tennessee Area Code |
903 | TX | Texas Area Code |
904 | FL | Florida Area Code |
906 | MI | Michigan Area Code |
907 | AK | Alaska Area Code |
908 | NJ | New Jersey Area Code |
909 | CA | California Area Code |
910 | NC | California Area Code |
912 | GA | Georgia Area Code |
913 | KS | Kansas Area Code |
914 | NY | New York Area Code |
915 | TX | Texas Area Code |
916 | CA | California Area Code |
917 | NY | New York Area Code |
918 | OK | Oklahoma Area Code |
919 | NC | North Carolina Area Code |
920 | WI | Wisconsin Area Code |
925 | CA | California Area Code |
927 | FL | Florida Area Code |
928 | AZ | Arizona Area Code |
929 | NY | New York Area Code |
931 | TN | Tennessee Area Code |
935 | CA | California Area Code |
936 | TX | Texas Area Code |
937 | OH | Ohio Area Code |
940 | TX | Texas Area Code |
941 | FL | Florida Area Code |
945 | TX | Texas Area Code (Changed from 214 in 2021) |
947 | MI | Michigan Area Code |
949 | CA | California Area Code |
951 | CA | California Area Code |
952 | MN | Minnesota Area Code |
954 | FL | Florida Area Code |
956 | TX | Texas Area Code |
957 | NM | New Mexico Area Code |
959 | CT | Connecticut Area Code |
970 | CO | Colorado Area Code |
971 | OR | Oregon Area Code |
972 | TX | Texas Area Code |
973 | NJ | New Jersey Area Code |
975 | MO | Missouri Area Code |
978 | MA | Massachusetts Area Code |
979 | TX | Texas Area Code |
980 | NC | North Carolina Area Code |
984 | NC | North Carolina Area Code |
985 | LA | Louisiana Area Code |
989 | MI | Michigan Area Code |