| Value | Category |
|---|---|
| 0000 | Not in a metropolitan district |
| 0080 | Akron, Ohio |
| 0160 | Albany-Troy, N.Y. |
| 0180 | Schenectady, N.Y. |
| 0240 | Allentown-Bethlehem, Pa. |
| 0280 | Altoona, Pa. |
| 0520 | Atlanta, Ga. |
| 0720 | Baltimore, Md. |
| 0960 | Binghamton, N.Y. |
| 1000 | Birmingham, Ala. |
| 1120 | Boston, Mass. |
| 1121 | Lawrence-Haverhill, Mass. |
| 1122 | Lowell, Mass. |
| 1160 | Bridgeport, Conn. |
| 1200 | Brockton, Mass. |
| 1280 | Buffalo, N.Y. |
| 1320 | Canton, Ohio |
| 1440 | Charleston, S.C. |
| 1600 | Chicago, Ill.-Ind. |
| 1640 | Cincinnati, Ohio-Ky. |
| 1680 | Cleveland, Ohio |
| 1840 | Columbus, Ohio |
| 1920 | Dallas, Tex. |
| 1921 | Fort Worth, Tex. |
| 1960 | Davenport-Rock Island-Moline, Iowa-Ill. |
| 2000 | Dayton, Ohio |
| 2080 | Denver, Colo. |
| 2120 | Des Moines, Iowa |
| 2160 | Detroit, Mich. |
| 2240 | Duluth-Superior, Minn.-Wis. |
| 2360 | Erie, Pa. |
| 2440 | Evansville, Ind. |
| 2760 | Fort Wayne, Ind. |
| 3000 | Grand Rapids, Mich. |
| 3240 | Harrisburg, Pa. |
| 3280 | Hartford, Conn. |
| 3360 | Houston, Tex. |
| 3480 | Indianapolis, Ind. |
| 3590 | Jacksonville, Fla. |
| 3680 | Johnstown, Pa. |
| 3760 | Kansas City, Mo.-Kans. |
| 4360 | Lincoln, Neb. |
| 4400 | Little Rock, Ark. |
| 4480 | Los Angeles, Calif. |
| 4520 | Louisville, Ky. |
| 4760 | Manchester, N.H. |
| 4920 | Memphis, Tenn. |
| 5080 | Milwaukee, Wis. |
| 5120 | Minneapolis-St. Paul, Minn. |
| 5160 | Mobile, Ala. |
| 5360 | Nashville, Tenn. |
| 5400 | New Bedford, Mass. |
| 5480 | New Haven, Conn. |
| 5560 | New Orleans, La. |
| 5600 | New York, N.Y.-Northeastern New Jersey |
| 5720 | Norfolk-Portsmouth, Va. |
| 5880 | Oklahoma City, Okla. |
| 5920 | Omaha, Neb.-Iowa |
| 6120 | Peoria, Ill. |
| 6160 | Philadelphia, Pa.-N.J. |
| 6280 | Pittsburgh, Pa. |
| 6400 | Portland, Maine |
| 6440 | Portland, Oreg.-Wash. |
| 6480 | Providence, R.I.-Mass. |
| 6481 | Fall River, Mass. |
| 6680 | Reading, Pa. |
| 6760 | Richmond, Va. |
| 6840 | Rochester, N.Y. |
| 6960 | Saginaw, Mich. |
| 7000 | St. Joseph, Mo. |
| 7040 | St. Louis, Mo.-Ill. |
| 7160 | Salt Lake City, Utah |
| 7240 | San Antonio, Tex. |
| 7360 | San Francisco-Oakland, Calif. |
| 7520 | Savannah, Ga. |
| 7560 | Scranton, Pa. |
| 7561 | Wilkes-Barre, Pa. |
| 7600 | Seattle, Wash. |
| 7800 | South Bend, Ind. |
| 7840 | Spokane, Wash. |
| 7880 | Springfield, Ill. |
| 8000 | Springfield-Holyoke, Mass. |
| 8160 | Syracuse, N.Y. |
| 8200 | Tacoma, Wash. |
| 8320 | Terre Haute, Ind. |
| 8400 | Toledo, Ohio |
| 8480 | Trenton, N.J. |
| 8680 | Utica, N.Y. |
| 8840 | Washington, D.C.-Md.-Va. |
| 8880 | Waterbury, Conn. |
| 9040 | Wichita, Kans. |
| 9160 | Wilmington, Del. |
| 9240 | Worcester, Mass. |
| 9320 | Youngstown, Ohio |
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