The area code indicates the regional location of the phone number. According to NANP, there are 405 area codes in North America.
Of these, 326 are in the US, 42 are in Canada, 17 are non-geographic virtual number, and 20 are others(mostly Caribbean).
The number of area codes is different for each area, in the future, the area with the most phone number users will have more area codes.
815 is one of the Area Codes.
Lookup area code 815 regional location
State: IllinoisRegion: Illinois
Center City: Joliet, Rockford
State & Region & County & City & Location map with Area Code
Too many area codes, map size limit, all area codes may not be displayed, only major area codes.
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815 is only the first 3-digit of the phone number, it can only lookup the regional location.
The full phone number is 10-digit, 815-xxx-yyyy, 815 is the area code, xxx is the Central Office, the Exchange Code, and yyyy is the subscriber number.
The list is 815-xxx all Central Office Exchange Code phone numbers.
815007 815002 815005 815009 815000 815003 815008 815004 815001 815006 815017 815012 815015 815019 815010 815013 815018 815014 815011 815016 815027 815022 815025 815029 815020 815023 815028 815024 815021 815026 815037 815032 815035 815039 815030 815033 815038 815034 815031 815036 815047 815042 815045 815049 815040 815043 815048 815044 815041 815046 815057 815052 815055 815059 815050 815053 815058 815054 815051 815056 815067 815062 815065 815069 815060 815063 815068 815064 815061 815066 815077 815072 815075 815079 815070 815073 815078 815074 815071 815076 815087 815082 815085 815089 815080 815083 815088 815084 815081 815086 815097 815092 815095 815099 815090 815093 815098 815094 815091 815096 815107 815102 815105 815109 815100 815103 815108 815104 815101 815106 815117 815112 815115 815119 815110 815113 815118 815114 815111 815116 815127 815122 815125 815129 815120 815123 815128 815124 815121 815126 815137 815132 815135 815139 815130 815133 815138 815134 815131 815136 815147 815142 815145 815149 815140 815143 815148 815144 815141 815146 815157 815152 815155 815159 815150 815153 815158 815154 815151 815156 815167 815162 815165 815169 815160 815163 815168 815164 815161 815166 815177 815172 815175 815179 815170 815173 815178 815174 815171 815176 815187 815182 815185 815189 815180 815183 815188 815184 815181 815186 815197 815192 815195 815199 815190 815193 815198 815194 815191 815196 815207 815202 815205 815209 815200 815203 815208 815204 815201 815206 815217 815212 815215 815219 815210 815213 815218 815214 815211 815216 815227 815222 815225 815229 815220 815223 815228 815224 815221 815226 815237 815232 815235 815239 815230 815233 815238 815234 815231 815236 815247 815242 815245 815249 815240 815243 815248 815244 815241 815246 815257 815252 815255 815259 815250 815253 815258 815254 815251 815256 815267 815262 815265 815269 815260 815263 815268 815264 815261 815266 815277 815272 815275 815279 815270 815273 815278 815274 815271 815276 815287 815282 815285 815289 815280 815283 815288 815284 815281 815286 815297 815292 815295 815299 815290 815293 815298 815294 815291 815296 815307 815302 815305 815309 815300 815303 815308 815304 815301 815306 815317 815312 815315 815319 815310 815313 815318 815314 815311 815316 815327 815322 815325 815329 815320 815323 815328 815324 815321 815326 815337 815332 815335 815339 815330 815333 815338 815334 815331 815336 815347 815342 815345 815349 815340 815343 815348 815344 815341 815346 815357 815352 815355 815359 815350 815353 815358 815354 815351 815356 815367 815362 815365 815369 815360 815363 815368 815364 815361 815366 815377 815372 815375 815379 815370 815373 815378 815374 815371 815376 815387 815382 815385 815389 815380 815383 815388 815384 815381 815386 815397 815392 815395 815399 815390 815393 815398 815394 815391 815396 815407 815402 815405 815409 815400 815403 815408 815404 815401 815406 815417 815412 815415 815419 815410 815413 815418 815414 815411 815416 815427 815422 815425 815429 815420 815423 815428 815424 815421 815426 815437 815432 815435 815439 815430 815433 815438 815434 815431 815436 815447 815442 815445 815449 815440 815443 815448 815444 815441 815446 815457 815452 815455 815459 815450 815453 815458 815454 815451 815456 815467 815462 815465 815469 815460 815463 815468 815464 815461 815466 815477 815472 815475 815479 815470 815473 815478 815474 815471 815476 815487 815482 815485 815489 815480 815483 815488 815484 815481 815486 815497 815492 815495 815499 815490 815493 815498 815494 815491 815496 815507 815502 815505 815509 815500 815503 815508 815504 815501 815506 815517 815512 815515 815519 815510 815513 815518 815514 815511 815516 815527 815522 815525 815529 815520 815523 815528 815524 815521 815526 815537 815532 815535 815539 815530 815533 815538 815534 815531 815536 815547 815542 815545 815549 815540 815543 815548 815544 815541 815546 815557 815552 815555 815559 815550 815553 815558 815554 815551 815556 815567 815562 815565 815569 815560 815563 815568 815564 815561 815566 815577 815572 815575 815579 815570 815573 815578 815574 815571 815576 815587 815582 815585 815589 815580 815583 815588 815584 815581 815586 815597 815592 815595 815599 815590 815593 815598 815594 815591 815596 815607 815602 815605 815609 815600 815603 815608 815604 815601 815606 815617 815612 815615 815619 815610 815613 815618 815614 815611 815616 815627 815622 815625 815629 815620 815623 815628 815624 815621 815626 815637 815632 815635 815639 815630 815633 815638 815634 815631 815636 815647 815642 815645 815649 815640 815643 815648 815644 815641 815646 815657 815652 815655 815659 815650 815653 815658 815654 815651 815656 815667 815662 815665 815669 815660 815663 815668 815664 815661 815666 815677 815672 815675 815679 815670 815673 815678 815674 815671 815676 815687 815682 815685 815689 815680 815683 815688 815684 815681 815686 815697 815692 815695 815699 815690 815693 815698 815694 815691 815696 815707 815702 815705 815709 815700 815703 815708 815704 815701 815706 815717 815712 815715 815719 815710 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