| Value | Category |
|---|---|
| 0000 | Not in identifiable city (or size group) |
| 0010 | Akron, OH |
| 0050 | Albany, NY |
| 0090 | Alexandria, VA |
| 0110 | Allegheny, PA |
| 0130 | Allentown, PA |
| 0150 | Altoona, PA |
| 0273 | Ansonia, CT |
| 0344 | Atchison, KS |
| 0350 | Atlanta, GA |
| 0371 | Attleboro, MA |
| 0390 | Auburn, NY |
| 0410 | Augusta, GA |
| 0470 | Aurora, IL |
| 0530 | Baltimore, MD |
| 0550 | Bangor, ME |
| 0630 | Bay City, MI |
| 0660 | Belleville, IL |
| 0740 | Biddeford, ME |
| 0750 | Binghamton, NY |
| 0771 | Birmingham, CT |
| 0790 | Bloomington, IL |
| 0810 | Boston, MA |
| 0830 | Bridgeport, CT |
| 0850 | Brockton, MA |
| 0890 | Buffalo, NY |
| 0900 | Burlington, IA |
| 0905 | Burlington, VT |
| 0930 | Cambridge, MA |
| 0950 | Camden, NJ |
| 0990 | Canton, OH |
| 1010 | Cedar Rapids, IA |
| 1050 | Charleston, SC |
| 1110 | Chattanooga, TN |
| 1130 | Chelsea, MA |
| 1170 | Chester, PA |
| 1190 | Chicago, IL |
| 1210 | Chicopee, MA |
| 1230 | Chillicothe, OH |
| 1290 | Cincinnati, OH |
| 1330 | Cleveland, OH |
| 1374 | Cohoes, NY |
| 1410 | Columbia, SC |
| 1430 | Columbus, GA |
| 1450 | Columbus, OH |
| 1490 | Concord, NH |
| 1510 | Council Bluffs, IA |
| 1530 | Covington, KY |
| 1570 | Cumberland, MD |
| 1590 | Dallas, TX |
| 1591 | Danbury, CT |
| 1650 | Davenport, IA |
| 1670 | Dayton, OH |
| 1711 | Derby, CT |
| 1730 | Des Moines, IA |
| 1750 | Detroit, MI |
| 1790 | Dover, NH |
| 1810 | Dubuque, IA |
| 1940 | East Saginaw, MI |
| 1970 | Easton, PA |
| 1971 | Eau Claire, WI |
| 2050 | Elizabeth, NJ |
| 2070 | Elmira, NY |
| 2090 | Erie, PA |
| 2170 | Evansville, IN |
| 2230 | Fall River, MA |
| 2250 | Fitchburg, MA |
| 2280 | Fond du Lac, WI |
| 2330 | Fort Wayne, IN |
| 2400 | Galesburg, IL |
| 2410 | Galveston, TX |
| 2510 | Gloucester, MA |
| 2530 | Grand Rapids, MI |
| 2610 | Hamilton, OH |
| 2680 | Hannibal, MO |
| 2690 | Harrisburg, PA |
| 2710 | Hartford, CT |
| 2730 | Haverhill, MA |
| 2810 | Hoboken, NJ |
| 2850 | Holyoke, MA |
| 2890 | Houston, TX |
| 2990 | Indianapolis, IN |
| 3070 | Jackson, MI |
| 3071 | Jackson, MN |
| 3111 | Jacksonville, IL |
| 3150 | Jersey City, NJ |
| 3190 | Joliet, IL |
| 3230 | Kalamazoo, MI |
| 3260 | Kansas City, MO |
| 3291 | Keokuk, IA |
| 3310 | Kingston, NY |
| 3370 | LaCrosse, WI |
| 3380 | Lafayette, IN |
| 3450 | Lancaster, PA |
| 3510 | Lawrence, MA |
| 3520 | Leavenworth, KS |
| 3550 | Lewiston, ME |
| 3570 | Lexington, KY |
| 3630 | Lincoln, NE |
| 3633 | Lincoln, RI |
| 3639 | Logansport, IN |
| 3650 | Little Rock, AR |
| 3680 | Lockport, NY |
| 3692 | Long Island City, NY |
| 3730 | Los Angeles, CA |
| 3750 | Louisville, KY |
| 3770 | Lowell, MA |
| 3810 | Lynn, MA |
| 3830 | Macon, GA |
| 3870 | Madison, WI |
| 3890 | Malden, MA |
| 3910 | Manchester, NH |
| 3951 | Marlborough, MA |
| 4010 | Memphis, TN |
| 4030 | Meriden, CT |
| 4122 | Middletown, CT |
| 4130 | Milwaukee, WI |
| 4150 | Minneapolis, MN |
| 4170 | Mobile, AL |
| 4250 | Montgomery, AL |
| 4330 | Muskegon, MI |
| 4390 | Nashua, NH |
| 4411 | Nashville, TN |
| 4430 | New Albany, IN |
| 4450 | New Bedford, MA |
| 4452 | New Brighton, NY |
| 4470 | New Britain, CT |
| 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 |
| 4770 | Newton, MA |
| 4810 | Norfolk, VA |
| 4830 | Norristown Boro, PA |
| 4831 | North Adams, MA |
| 4840 | Northampton, MA |
| 4870 | Norwalk, CT |
| 4890 | Norwich, CT |
| 4930 | Oakland, CA |
| 4971 | Ogdensburg, NY |
| 5010 | Omaha, NE |
| 5050 | Orange, NJ |
| 5090 | Oshkosh, WI |
| 5110 | Oswego, NY |
| 5210 | Paterson, NJ |
| 5230 | Pawtucket, RI |
| 5270 | Peoria, IL |
| 5330 | Philadelphia, PA |
| 5370 | Pittsburgh, PA |
| 5390 | Pittsfield, MA |
| 5510 | Portland, ME |
| 5530 | Portland, OR |
| 5570 | Portsmouth, OH |
| 5590 | Portsmouth, VA |
| 5610 | Pottsville, PA |
| 5630 | Poughkeepsie, NY |
| 5650 | Providence, RI |
| 5690 | Quincy, IL |
| 5710 | Quincy, MA |
| 5730 | Racine, WI |
| 5790 | Reading, PA |
| 5850 | Richmond, IN |
| 5870 | Richmond, VA |
| 5930 | Rochester, NY |
| 5950 | Rock Island, IL |
| 5970 | Rockford, IL |
| 5990 | Rome, NY |
| 6014 | Rutland, VT |
| 6030 | Sacramento, CA |
| 6050 | Saginaw, MI |
| 6070 | Saint Joseph, MO |
| 6090 | Saint Louis, MO |
| 6110 | Saint Paul, MN |
| 6150 | Salem, MA |
| 6210 | Salt Lake City, UT |
| 6230 | San Antonio, TX |
| 6280 | Sandusky, OH |
| 6290 | San Francisco, CA |
| 6370 | Savannah, GA |
| 6390 | Schenectedy, NY |
| 6410 | Scranton, PA |
| 6470 | Shenandoah Borough, PA |
| 6570 | Somerville, MA |
| 6590 | South Bend, IN |
| 6595 | South Norwalk, CT |
| 6650 | Springfield, IL |
| 6670 | Springfield, MA |
| 6710 | Springfield, OH |
| 6730 | Stamford, CT |
| 6770 | Steubenville, OH |
| 6790 | Stockton, CA |
| 6850 | Syracuse, NY |
| 6910 | Taunton, MA |
| 6950 | Terre Haute, IN |
| 6970 | Toledo, OH |
| 6990 | Topeka, KS |
| 7010 | Trenton, NJ |
| 7030 | Troy, NY |
| 7090 | Utica, NY |
| 7120 | Vicksburg, MS |
| 7170 | Waltham, MA |
| 7210 | Warwick Town, RI |
| 7230 | Washington, DC |
| 7231 | Georgetown, DC |
| 7250 | Waterbury, CT |
| 7310 | Watertown, NY |
| 7377 | Weymouth, MA |
| 7390 | Wheeling, WV |
| 7450 | Wilkes-Barre, PA |
| 7470 | Williamsport, PA |
| 7490 | Wilmington, DE |
| 7510 | Wilmington, NC |
| 7516 | Winona, MN |
| 7532 | Woburn, MA |
| 7550 | Woonsocket, RI |
| 7570 | Worcester, MA |
| 7590 | Yonkers, NY |
| 7610 | York, PA |
| 7630 | Youngstown, OH |
| 7650 | Zanesville, OH |