| Value | Category |
|---|---|
| 0000 | Not in identifiable city (or size group) |
| 0050 | Albany, NY |
| 0090 | Alexandria, VA |
| 0110 | Allegheny, PA |
| 0390 | Auburn, NY |
| 0410 | Augusta, GA |
| 0530 | Baltimore, MD |
| 0550 | Bangor, ME |
| 0810 | Boston, MA |
| 0830 | Bridgeport, CT |
| 0890 | Buffalo, NY |
| 0930 | Cambridge, MA |
| 0950 | Camden, NJ |
| 1030 | Charlestown, MA |
| 1050 | Charleston, SC |
| 1130 | Chelsea, MA |
| 1190 | Chicago, IL |
| 1290 | Cincinnati, OH |
| 1330 | Cleveland, OH |
| 1450 | Columbus, OH |
| 1490 | Concord, NH |
| 1530 | Covington, KY |
| 1650 | Davenport, IA |
| 1670 | Dayton, OH |
| 1750 | Detroit, MI |
| 1810 | Dubuque, IA |
| 2050 | Elizabeth, NJ |
| 2170 | Evansville, IN |
| 2230 | Fall River, MA |
| 2690 | Harrisburg, PA |
| 2710 | Hartford, CT |
| 2990 | Indianapolis, IN |
| 3150 | Jersey City, NJ |
| 3450 | Lancaster, PA |
| 3510 | Lawrence, MA |
| 3750 | Louisville, KY |
| 3770 | Lowell, MA |
| 3810 | Lynn, MA |
| 3910 | Manchester, NH |
| 4010 | Memphis, TN |
| 4130 | Milwaukee, WI |
| 4170 | Mobile, AL |
| 4390 | Nashua, NH |
| 4411 | Nashville, TN |
| 4430 | New Albany, IN |
| 4450 | New Bedford, MA |
| 4490 | New Brunswick, NJ |
| 4530 | New Haven, CT |
| 4550 | New London, CT |
| 4570 | New Orleans, LA |
| 4610 | New York, NY |
| 4611 | Brooklyn, NY |
| 4630 | Newark, NJ |
| 4670 | Newburgh, NY |
| 4690 | Newburyport, MA |
| 4710 | Newport, KY |
| 4730 | Newport, RI |
| 4810 | Norfolk, VA |
| 4890 | Norwich, CT |
| 5110 | Oswego, NY |
| 5210 | Paterson, NJ |
| 5270 | Peoria, IL |
| 5310 | Petersburg, VA |
| 5330 | Philadelphia, PA |
| 5370 | Pittsburgh, PA |
| 5510 | Portland, ME |
| 5630 | Poughkeepsie, NY |
| 5650 | Providence, RI |
| 5690 | Quincy, IL |
| 5790 | Reading, PA |
| 5870 | Richmond, VA |
| 5930 | Rochester, NY |
| 6010 | Roxbury, MA |
| 6030 | Sacramento, CA |
| 6090 | Saint Louis, MO |
| 6110 | Saint Paul, MN |
| 6150 | Salem, MA |
| 6290 | San Francisco, CA |
| 6370 | Savannah, GA |
| 6613 | South Pittsburgh, PA |
| 6670 | Springfield, MA |
| 6850 | Syracuse, NY |
| 6910 | Taunton, MA |
| 6970 | Toledo, OH |
| 7010 | Trenton, NJ |
| 7030 | Troy, NY |
| 7090 | Utica, NY |
| 7230 | Washington, DC |
| 7250 | Waterbury, CT |
| 7390 | Wheeling, WV |
| 7490 | Wilmington, DE |
| 7570 | Worcester, MA |
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