Here are the customers (cities) inside the circle
(if I had 'real' data, this table would contain more exciting info, such as customer names)

Obs STATECODE CITY
1 NC Aberdeen
2 NC Albemarle
3 NC Angier
4 NC Apex
5 NC Archdale
6 NC Asheboro
7 NC Ayden
8 NC Badin
9 NC Benson
10 NC Bermuda Run
11 NC Bethel
12 NC Beulaville
13 NC Biscoe
14 NC Bladenboro
15 NC Broadway
16 NC Brogden
17 NC Buies Creek
18 NC Burgaw
19 NC Burlington
20 NC Butner
21 NC Carrboro
22 NC Carthage
23 NC Cary
24 NC Chapel Hill
25 NC Clayton
26 NC Clemmons
27 NC Clinton
28 NC Coats
29 NC Creedmoor
30 NC Denton
31 NC Dunn
32 NC Durham
33 NC East Rockingham
34 NC East Spencer
35 NC Eastover
36 NC Eden
37 NC Elizabethtown
38 NC Ellerbe
39 NC Elm City
40 NC Elon College
41 NC Elroy
42 NC Enfield
43 NC Erwin
44 NC Fairmont
45 NC Farmville
46 NC Fayetteville
47 NC Forest Oaks
48 NC Fort Bragg
49 NC Four Oaks
50 NC Franklinton
51 NC Franklinville
52 NC Fremont
53 NC Fuquay-Varina
54 NC Garner
55 NC Garysburg
56 NC Gibsonville
57 NC Glen Raven
58 NC Goldsboro
59 NC Gorman
60 NC Graham
61 NC Granite Quarry
62 NC Green Level
63 NC Greensboro
64 NC Greenville
65 NC Grifton
66 NC Hamlet
67 NC Haw River
68 NC Henderson
69 NC High Point
70 NC Hillsborough
71 NC Holly Springs
72 NC Hope Mills
73 NC Jamestown
74 NC Kenansville
75 NC Kenly
76 NC Kernersville
77 NC King
78 NC Kinston
79 NC Knightdale
80 NC La Grange
81 NC Laurinburg
82 NC Lewisville
83 NC Lexington
84 NC Liberty
85 NC Lillington
86 NC Locust
87 NC Louisburg
88 NC Lumberton
89 NC Madison
90 NC Mar-Mac
91 NC Maxton
92 NC Mayodan
93 NC McLeansville
94 NC Mebane
95 NC Mocksville
96 NC Morrisville
97 NC Mount Gilead
98 NC Mount Olive
99 NC Mount Pleasant
100 NC Nashville
101 NC Norlina
102 NC Norwood
103 NC Oak Ridge
104 NC Oakboro
105 NC Oxford
106 NC Pembroke
107 NC Pine Level
108 NC Pinebluff
109 NC Pinehurst
110 NC Pinetops
111 NC Pittsboro
112 NC Plain View
113 NC Pleasant Garden
114 NC Polkton
115 NC Pope Air Force Base
116 NC Princeton
117 NC Raeford
118 NC Raleigh
119 NC Ramseur
120 NC Randleman
121 NC Red Oak
122 NC Red Springs
123 NC Reidsville
124 NC Roanoke Rapids
125 NC Robbins
126 NC Robersonville
127 NC Rockfish
128 NC Rockingham
129 NC Rockwell
130 NC Rocky Mount
131 NC Rose Hill
132 NC Roseboro
133 NC Rowland
134 NC Roxboro
135 NC Rural Hall
136 NC Saint Pauls
137 NC Salisbury
138 NC Sanford
139 NC Saxapahaw
140 NC Scotland Neck
141 NC Selma
142 NC Seven Lakes
143 NC Sharpsburg
144 NC Siler City
145 NC Silver City
146 NC Smithfield
147 NC Snow Hill
148 NC South Henderson
149 NC South Rosemary
150 NC South Weldon
151 NC Southern Pines
152 NC Spencer
153 NC Spring Hope
154 NC Spring Lake
155 NC Stokesdale
156 NC Stoneville
157 NC Summerfield
158 NC Tarboro
159 NC Thomasville
160 NC Tobaccoville
161 NC Trinity
162 NC Troy
163 NC Vander
164 NC Wadesboro
165 NC Wake Forest
166 NC Walkertown
167 NC Wallace
168 NC Walnut Cove
169 NC Warsaw
170 NC Washington
171 NC Welcome
172 NC Weldon
173 NC Wendell
174 NC Wentworth
175 NC Whispering Pines
176 NC Williamston
177 NC Wilson
178 NC Wilsons Mills
179 NC Winston-Salem
180 NC Winterville
181 NC Woodlawn
182 NC Yanceyville
183 NC Zebulon
184 SC Bennettsville
185 SC Cheraw
186 SC McColl
187 VA Altavista
188 VA Bassett
189 VA Blackstone
190 VA Brookneal
191 VA Chase City
192 VA Chatham
193 VA Chatmoss
194 VA Clarksville
195 VA Collinsville
196 VA Danville
197 VA Emporia
198 VA Gretna
199 VA Halifax
200 VA Horse Pasture
201 VA Hurt
202 VA Kenbridge
203 VA Lawrenceville
204 VA Martinsville
205 VA Patrick Springs
206 VA South Boston
207 VA South Hill
208 VA Stanleytown
209 VA Victoria