Area code 872 is a telephone area code in the North American Numbering Plan for Chicago in the U.S. state of Illinois. It is an overlay code for a numbering...

plan area is completely surrounded by area code 773, which serves the rest of Chicago. Both area codes form an overlay complex with area code 872. 312...

that area code 872 would overlay area codes 312 and 773; it went into service on November 7, 2009. The Illinois side of the Chicago area–312/773/872, 708...

"Chicago's newest area code: 872". Chicago Tribune. Archived from the original on 2009-08-13. "Planning Letter 331: Recovery of NPA Codes 880, 881, 882 (Paid...

divided into four numbering plan areas (217, 312, 618, and 815). The Illinois side of the Chicago area–312/773/872, 708/464, 847/224, 630/331, and portions...

adding area code 331, and 779 was added to 815. With the depletion of new numbers in area codes 312 and 773, an overlay of both of them, area code 872, was...

2007, area code 331 began overlaying area code 630, making ten-digit dialing mandatory in the area. The Illinois side of the Chicago area–312/773/872, 708...

Area codes 905, 289, 365, and 742 are telephone area codes in the North American Numbering Plan (NANP) for the Golden Horseshoe region that surrounds Lake...

Area codes 778, 236, 672, and 257 are telephone overlay area codes in the North American Numbering Plan (NANP) for the Canadian province of British Columbia...

Area codes 587, 825, and 368 are telephone area codes in the North American Numbering Plan (NANP) for the entire Canadian province of Alberta. They form...

Area codes 617 and 857 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Massachusetts, serving the city of Boston...

Mexico are provided by a telephone numbering plan that specifies groups of area codes for the following regions: Telephone numbers in Mexico "Telephone numbering...

Area codes 541 and 458 are telephone area codes in the North American Numbering Plan (NANP) for most of the U.S. state of Oregon, excluding only the northwestern...

Area code 307 is the telephone area code in the North American Numbering Plan for the entire U.S. state of Wyoming. It is one of the 86 original North...

Area codes 847 and 224 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Illinois. The numbering plan area (NPA)...

Area code 218 is a telephone area code in the North American Numbering Plan (NANP) for the northern part of the U.S. state of Minnesota. It is assigned...

Area code 636 is a telephone area code in North American Numbering Plan (NANP) for the east-central part of the U.S. state of Missouri, comprising mainly...

Area codes 705, 249, and 683 are telephone area codes in the North American Numbering Plan (NANP) for most of northeastern and central Ontario in Canada...

Area code 207 is the sole telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Maine. Area code 207 was created as one...

Area code 605 is the telephone area code in the North American Numbering Plan for the entire U.S. state of South Dakota. The numbering plan area was designated...

Area code 563 is a telephone area code for the east central and northeast corner of the state of Iowa, and includes most of the Iowa side of the Quad Cities...

Area codes 519, 226, 548, and 382 are overlay telephone area codes in the North American Numbering Plan (NANP) for most of southwestern Ontario. Area...

original area code under the North American Numbering Plan before the overlays of area code 773, area code 872, and now even later Area codes 708 and 464...

Area code 604 is a telephone area code in the North American Numbering Plan for the southwestern corner of British Columbia, Canada. The numbering plan...

Area code 613 is one of the 86 original North American area codes assigned in October 1947. Area code 343 was assigned to the numbering plan area in...

Area code 765 is a telephone area code in the North American Numbering Plan (NANP) for the central part of the U.S. state of Indiana. The numbering plan...

Area code 606 is a telephone area code in the North American Numbering Plan for the eastern half of south-central and the eastern part of the Commonwealth...

Area codes 208 and 986 are telephone area codes in the North American Numbering Plan for all of Idaho. Area code 208 is one of the 86 original area codes...

country codes are telephone number prefixes for reaching subscribers in foreign countries or areas by international direct dialing (IDD). Country codes are...

Area codes 870 and 327 are telephone area codes in the North American Numbering Plan (NANP) for southern, eastern, and most of northern Arkansas. 870...