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Area Code 720

Area Code 720 Info

  • State: Colorado
  • Main City: Boulder
  • Short URL: http://listareacodes.com/720-areacode

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Area Code Prefixes

Rank Area Code Line Type Location Phone Company
1 (720)200 Landline Denver Qwest corporation
2 (720)201 Wireless Denver New cingular wireless pcs
3 (720)202 Wireless Denver Cellco partnership dba verizon wireless - co
4 (720)203 Wireless Denver Sprint spectrum l.p.
5 (720)204 Landline Longmont At&t local
6 (720)205 Wireless Denver Sprint spectrum l.p.
7 (720)206 Landline Denver Xo colorado
8 (720)207 Landline Aurora Xo colorado
9 (720)208 Landline Denver Xo colorado
10 (720)209 Wireless Denver Sprint spectrum l.p.
11 (720)210 Landline Denver Xo colorado
12 (720)212 Landline Denver Xo colorado
13 (720)213 Landline Denver sullivan Mcleodusa telecommunications services
14 (720)214 Landline Denver Mcleodusa telecommunications services
15 (720)215 Wireless Denver Cellco partnership dba verizon wireless - co
16 (720)216 Landline Aurora Teleport communications group - co
17 (720)217 Wireless Denver T-mobile usa
18 (720)218 Wireless Denver Sprint spectrum l.p.
19 (720)219 Wireless Denver Cellco partnership dba verizon wireless - co
20 (720)220 Wireless Denver T-mobile usa
21 (720)221 Landline Denver Xo colorado
22 (720)222 Landline Aurora Xo colorado
23 (720)223 Landline Brighton Xo colorado
24 (720)224 Landline Denver Xo colorado
25 (720)225 Landline Denver Xo colorado
26 (720)226 Landline Denver Xo colorado
27 (720)227 Landline Denver Xo colorado
28 (720)228 Landline Denver Xo colorado
29 (720)229 Landline Denver Xo colorado
30 (720)230 Landline Brighton Xo colorado
31 (720)231 Wireless Denver T-mobile usa
32 (720)232 Wireless Denver Sprint spectrum l.p.
33 (720)233 Wireless Denver Sprint spectrum l.p.
34 (720)234 Wireless Denver Sprint spectrum l.p.
35 (720)235 Wireless Denver Sprint spectrum l.p.
36 (720)236 Wireless Denver Sprint spectrum l.p.
37 (720)237 Wireless Denver New cingular wireless pcs
38 (720)238 Wireless Denver T-mobile usa
39 (720)239 Landline Denver At&t local
40 (720)240 Landline Denver Xo colorado
41 (720)241 Landline Denver Xo colorado
42 (720)242 Landline Denver Qwest corporation
43 (720)243 Wireless Denver Leap wireless intl
44 (720)244 Wireless Denver New cingular wireless pcs
45 (720)246 Landline Denver sullivan Xo colorado
46 (720)247 Landline Brighton Xo colorado
47 (720)248 Landline Denver sullivan Cbeyond communications
48 (720)249 Landline Denver Xo colorado
49 (720)250 Landline Denver Xo colorado
50 (720)251 Landline Aurora Level 3 communications
51 (720)252 Wireless Denver Sprint spectrum l.p.
52 (720)253 Wireless Denver Sprint spectrum l.p.
53 (720)254 Wireless Denver Sprint spectrum l.p.
54 (720)255 Wireless Denver Sprint spectrum l.p.
55 (720)256 Wireless Denver Sprint spectrum l.p.
56 (720)257 Landline Denver Xo colorado
57 (720)258 Landline Denver Teleport communications group - co
58 (720)259 Landline Denver Level 3 communications
59 (720)260 Wireless Denver Sprint spectrum l.p.
60 (720)261 Wireless Denver T-mobile usa
61 (720)262 Landline Aurora Icg telecom group - co
62 (720)263 Landline Brighton Level 3 communications
63 (720)264 Landline Denver Qwest corporation
64 (720)265 Landline Brighton Xo colorado
65 (720)266 Landline Denver Level 3 communications
66 (720)267 Landline Denver Qwest corporation
67 (720)268 Landline Denver Qwest corporation
68 (720)269 Landline Denver Teleport communications group - co
69 (720)270 Wireless Denver Sprint spectrum l.p.
70 (720)271 Wireless Denver Sprint spectrum l.p.
71 (720)272 Wireless Denver New cingular wireless pcs
72 (720)273 Wireless Denver New cingular wireless pcs
73 (720)274 Landline Denver Mcleodusa telecommunications services
74 (720)275 Wireless Denver Leap wireless intl
75 (720)276 Wireless Denver Leap wireless intl
76 (720)277 Landline Aurora Icg telecom group - co
77 (720)278 Landline Aurora Time warner telecom of colorado llc-co
78 (720)279 Landline Denver Time warner telecom of colorado llc-co
79 (720)280 Wireless Denver T-mobile usa
80 (720)281 Wireless Aurora Cellco partnership dba verizon wireless - co
81 (720)282 Landline Denver sullivan Time warner telecom of colorado llc-co
82 (720)283 Landline Denver Qwest corporation
83 (720)284 Landline Denver Xo colorado
84 (720)285 Landline Aurora Xo colorado
85 (720)286 Landline Denver Teleport communications group - co
86 (720)287 Landline Denver Comcast phone of colorado
87 (720)288 Landline Aurora Bandwidth.com clec
88 (720)289 Wireless Denver New cingular wireless pcs
89 (720)290 Wireless Denver Sprint spectrum l.p.
90 (720)291 Wireless Denver Sprint spectrum l.p.
91 (720)292 Wireless Denver New cingular wireless pcs
92 (720)293 Landline Denver Xo colorado
93 (720)294 Landline Denver Xo colorado
94 (720)295 Landline Denver Bandwidth.com clec
95 (720)296 Wireless Denver Leap wireless intl
96 (720)297 Wireless Denver Leap wireless intl
97 (720)298 Wireless Denver Leap wireless intl
98 (720)299 Wireless Denver T-mobile usa
99 (720)300 Wireless Denver Sprint spectrum l.p.
100 (720)301 Wireless Denver Sprint spectrum l.p.
101 (720)302 Landline Denver Teleport communications group - co
102 (720)304 Landline Denver Qwest corporation
103 (720)305 Landline Denver Time warner telecom of colorado llc-co
104 (720)306 Landline Denver sullivan Eschelon telecom of colorado
105 (720)308 Wireless Denver New cingular wireless pcs
106 (720)309 Wireless Denver Leap wireless intl
107 (720)310 Landline Allens park-lyons Teleport communications group - co
108 (720)312 Wireless Denver Sprint spectrum l.p.
109 (720)313 Wireless Denver Sprint spectrum l.p.
110 (720)314 Wireless Denver Sprint spectrum l.p.
111 (720)315 Landline Denver 360networks (usa) inc. - co
112 (720)316 Landline Denver Bandwidth.com clec
113 (720)317 Wireless Denver Sprint spectrum l.p.
114 (720)318 Wireless Denver Sprint spectrum l.p.
115 (720)319 Wireless Denver Sprint spectrum l.p.
116 (720)320 Wireless Denver New cingular wireless pcs
117 (720)321 Landline Denver Qwest corporation
118 (720)322 Landline Denver Qwest corporation
119 (720)323 Wireless Denver T-mobile usa
120 (720)324 Landline Aurora Comcast phone of colorado
121 (720)325 Wireless Aurora T-mobile usa
122 (720)326 Wireless Denver New cingular wireless pcs
123 (720)327 Wireless Denver Leap wireless intl
124 (720)328 Landline Denver Comcast phone of colorado
125 (720)329 Wireless Denver Leap wireless intl
126 (720)330 Landline Denver Icg telecom group - co
127 (720)331 Wireless Denver Sprint spectrum l.p.
128 (720)332 Landline Denver Qwest corporation
129 (720)333 Wireless Denver Sprint spectrum l.p.
130 (720)334 Wireless Denver Sprint spectrum l.p.
131 (720)335 Wireless Denver Sprint spectrum l.p.
132 (720)336 Landline Keenesburg Bandwidth.com clec
133 (720)337 Landline Denver Qwest corporation
134 (720)338 Wireless Denver Leap wireless intl
135 (720)339 Wireless Denver Sprint spectrum l.p.
136 (720)340 Wireless Longmont Cellco partnership dba verizon wireless - co
137 (720)341 Wireless Denver T-mobile usa
138 (720)342 Landline Denver At&t local
139 (720)343 Landline Aurora Icg telecom group - co
140 (720)344 Landline Denver Qwest corporation
141 (720)345 Landline Denver Zippytech incorporated
142 (720)346 Wireless Denver Cellco partnership dba verizon wireless - co
143 (720)347 Landline Denver Time warner telecom of colorado llc-co
144 (720)348 Landline Denver Qwest corporation
145 (720)349 Landline Denver At&t local
146 (720)350 Wireless Denver Sprint spectrum l.p.
147 (720)351 Wireless Denver Sprint spectrum l.p.
148 (720)352 Wireless Denver T-mobile usa
149 (720)353 Wireless Denver Sprint spectrum l.p.
150 (720)354 Landline Denver Time warner telecom of colorado llc-co
151 (720)356 Landline Denver At&t local
152 (720)358 Landline Hudson Mcimetro
153 (720)359 Landline Denver Qwest corporation
154 (720)362 Landline Denver Qwest corporation
155 (720)363 Wireless Denver Sprint spectrum l.p.
156 (720)364 Wireless Denver Leap wireless intl
157 (720)365 Wireless Denver Leap wireless intl
158 (720)366 Wireless Denver Leap wireless intl
159 (720)367 Landline Aurora Xo colorado
160 (720)368 Landline Aurora Xo colorado
161 (720)369 Wireless Denver New cingular wireless pcs
162 (720)371 Wireless Denver Sprint spectrum l.p.
163 (720)373 Wireless Denver Sprint spectrum l.p.
164 (720)374 Landline Denver Qwest corporation
165 (720)375 Wireless Denver Commnet wireless
166 (720)377 Landline Denver Allegiance telecom of colorado
167 (720)378 Wireless Longmont New cingular wireless pcs
168 (720)379 Landline Denver Icg telecom group - co
169 (720)381 Landline Denver Comcast phone of colorado
170 (720)382 Landline Denver Eschelon telecom of colorado
171 (720)383 Wireless Fort lupton Cellco partnership dba verizon wireless - co
172 (720)384 Landline Denver Xo colorado
173 (720)385 Landline Denver Xo colorado
174 (720)388 Wireless Aurora Cellco partnership dba verizon wireless - co
175 (720)389 Landline Denver Allegiance telecom of colorado
176 (720)392 Landline Deer trail Ymax comms corp. co
177 (720)393 Landline Denver Time warner telecom of colorado llc-co
178 (720)394 Wireless Denver T-mobile usa
179 (720)395 Landline Denver At&t local
180 (720)396 Landline Denver At&t local
181 (720)397 Landline Denver At&t local
182 (720)398 Wireless Denver Leap wireless intl
183 (720)399 Landline Denver Level 3 communications
184 (720)400 Wireless Aurora T-mobile usa
185 (720)401 Wireless Denver T-mobile usa
186 (720)402 Landline Denver Eschelon telecom of colorado
187 (720)404 Wireless Denver Leap wireless intl
188 (720)406 Landline Denver Qwest corporation
189 (720)407 Landline Denver Cbeyond communications
190 (720)412 Wireless Denver New cingular wireless pcs
191 (720)413 Wireless Denver Cellco partnership dba verizon wireless - co
192 (720)420 Landline Denver Level 3 communications
193 (720)421 Wireless Denver T-mobile usa
194 (720)422 Wireless Denver Leap wireless intl
195 (720)423 Landline Denver Qwest corporation
196 (720)424 Landline Denver Qwest corporation
197 (720)425 Wireless Denver Cellco partnership dba verizon wireless - co
198 (720)426 Landline Denver Qwest corporation
199 (720)427 Wireless Aurora T-mobile usa
200 (720)429 Wireless Denver Leap wireless intl
201 (720)431 Wireless Denver New cingular wireless pcs
202 (720)432 Landline Denver Bandwidth.com clec
203 (720)433 Landline Denver Mcleodusa telecommunications services
204 (720)434 Wireless Denver Leap wireless intl
205 (720)435 Wireless Denver Leap wireless intl
206 (720)436 Wireless Denver Leap wireless intl
207 (720)437 Wireless Denver Cellco partnership dba verizon wireless - co
208 (720)438 Landline Longmont 360networks (usa) inc. - co
209 (720)439 Wireless Denver Leap wireless intl
210 (720)440 Wireless Denver Leap wireless intl
211 (720)441 Landline Denver Bandwidth.com clec
212 (720)442 Landline Longmont Bandwidth.com clec
213 (720)443 Landline Denver Bandwidth.com clec
214 (720)444 Landline Denver Qwest corporation
215 (720)445 Wireless Denver Cellco partnership dba verizon wireless - co
216 (720)446 Landline Denver Xo colorado
217 (720)447 Wireless Denver Leap wireless intl
218 (720)448 Wireless Denver Leap wireless intl
219 (720)449 Landline Denver sullivan Allegiance telecom of colorado
220 (720)452 Landline Denver Peerless network of colorado
221 (720)454 Landline Denver Mcleodusa telecommunications services
222 (720)455 Landline Denver Qwest corporation
223 (720)457 Landline Denver Level 3 communications
224 (720)458 Landline Denver Time warner telecom of colorado llc-co
225 (720)459 Landline Denver Onvoy
226 (720)464 Landline Denver Bandwidth.com clec
227 (720)466 Wireless Fort lupton New cingular wireless pcs
228 (720)468 Landline Denver Level 3 communications
229 (720)470 Wireless Denver Cellco partnership dba verizon wireless - co
230 (720)472 Landline Denver Teleport communications group - co
231 (720)473 Landline Denver Cbeyond communications
232 (720)475 Landline Denver Teleport communications group - co
233 (720)479 Landline Denver Teleport communications group - co
234 (720)480 Wireless Denver New cingular wireless pcs
235 (720)482 Landline Denver Qwest corporation
236 (720)488 Landline Denver Qwest corporation
237 (720)489 Landline Denver Qwest corporation
238 (720)490 Wireless Denver Nextel communications
239 (720)493 Landline Denver Qwest corporation
240 (720)494 Landline Longmont Qwest corporation
241 (720)495 Wireless Denver Leap wireless intl
242 (720)496 Landline Denver Level 3 communications
243 (720)497 Landline Denver Qwest corporation
244 (720)505 Wireless Aurora Cellco partnership dba verizon wireless - co
245 (720)506 Landline Denver sullivan Level 3 communications
246 (720)509 Landline Denver Xo colorado
247 (720)514 Landline Denver Teleport communications group - co
248 (720)515 Landline Denver Bandwidth.com clec
249 (720)519 Landline Denver Teleport communications group - co
250 (720)521 Wireless Denver sullivan American messaging (am)
251 (720)522 Landline Aurora Xo colorado
252 (720)523 Landline Brighton Qwest corporation
253 (720)524 Landline Denver Qwest corporation
254 (720)528 Landline Denver Qwest corporation
255 (720)529 Landline Denver Qwest corporation
256 (720)530 Wireless Denver New cingular wireless pcs
257 (720)532 Landline Aurora Teleport communications group - co
258 (720)533 Landline Denver Teleport communications group - co
259 (720)535 Landline Denver sullivan Teleport communications group - co
260 (720)536 Landline Denver Qwest corporation
261 (720)539 Wireless Denver New cingular wireless pcs
262 (720)540 Landline Denver Qwest corporation
263 (720)542 Landline Denver Qwest corporation
264 (720)544 Landline Denver Qwest corporation
265 (720)545 Landline Denver Level 3 communications
266 (720)548 Landline Denver Global crossing local services
267 (720)549 Landline Denver sullivan Level 3 communications
268 (720)551 Wireless Denver Leap wireless intl
269 (720)554 Landline Denver Qwest corporation
270 (720)556 Wireless Denver Cellco partnership dba verizon wireless - co
271 (720)558 Landline Denver Qwest corporation
272 (720)559 Landline Denver Teleport communications group - co
273 (720)560 Wireless Denver New cingular wireless pcs
274 (720)561 Landline Denver Qwest corporation
275 (720)562 Landline Denver Qwest corporation
276 (720)563 Landline Denver Qwest corporation
277 (720)564 Landline Denver Qwest corporation
278 (720)565 Landline Denver Qwest corporation
279 (720)566 Landline Denver Qwest corporation
280 (720)567 Landline Denver Level 3 communications
281 (720)568 Landline Denver Qwest corporation
282 (720)569 Wireless Denver Leap wireless intl
283 (720)570 Landline Denver Qwest corporation
284 (720)578 Landline Denver Qwest corporation
285 (720)579 Landline Aurora Allegiance telecom of colorado
286 (720)581 Wireless Denver Sprint spectrum l.p.
287 (720)583 Landline Denver 360networks (usa) inc. - co
288 (720)587 Landline Denver At&t local
289 (720)596 Landline Denver Teleport communications group - co
290 (720)608 Landline Georgetown Bandwidth.com clec
291 (720)620 Wireless Denver Leap wireless intl
292 (720)621 Wireless Denver Leap wireless intl
293 (720)622 Landline Denver Qwest corporation
294 (720)624 Landline Denver Teleport communications group - co
295 (720)626 Wireless Denver Cellco partnership dba verizon wireless - co
296 (720)628 Wireless Denver Leap wireless intl
297 (720)629 Wireless Denver Leap wireless intl
298 (720)633 Wireless Denver New cingular wireless pcs
299 (720)635 Wireless Denver New cingular wireless pcs
300 (720)641 Wireless Denver Nextel communications
301 (720)644 Landline Denver Mcleodusa telecommunications services
302 (720)648 Wireless Denver Cellco partnership dba verizon wireless - co
303 (720)652 Landline Longmont Qwest corporation
304 (720)658 Landline Denver Telstar communications inc.
305 (720)663 Landline Denver Bandwidth.com clec
306 (720)670 Wireless Aurora Cellco partnership dba verizon wireless - co
307 (720)675 Wireless Denver Leap wireless intl
308 (720)684 Landline Longmont Icg telecom group - co
309 (720)685 Landline Brighton Qwest corporation
310 (720)686 Landline Denver Xo colorado
311 (720)689 Landline Denver Bandwidth.com clec
312 (720)690 Wireless Denver Leap wireless intl
313 (720)722 Landline Denver Qwest communications corporation
314 (720)732 Wireless Denver Sprint spectrum l.p.
315 (720)733 Landline Denver Qwest corporation
316 (720)744 Landline Denver sullivan Qwest corporation
317 (720)746 Landline Denver Qwest corporation
318 (720)747 Landline Denver sullivan Qwest corporation
319 (720)748 Landline Denver sullivan Qwest corporation
320 (720)754 Landline Denver Time warner telecom of colorado llc-co
321 (720)763 Wireless Denver Leap wireless intl
322 (720)771 Wireless Denver T-mobile usa
323 (720)775 Wireless Denver Leap wireless intl
324 (720)777 Landline Aurora Qwest corporation
325 (720)785 Landline Denver Teleport communications group - co
326 (720)808 Landline Aurora Bandwidth.com clec
327 (720)810 Wireless Aurora Cellco partnership dba verizon wireless - co
328 (720)833 Landline Denver Qwest corporation
329 (720)834 Landline Denver Teleport communications group - co
330 (720)836 Landline Denver Icg telecom group - co
331 (720)837 Wireless Denver Sprint spectrum l.p.
332 (720)838 Wireless Denver Sprint spectrum l.p.
333 (720)839 Wireless Denver Sprint spectrum l.p.
334 (720)840 Wireless Denver Sprint spectrum l.p.
335 (720)841 Wireless Denver Sprint spectrum l.p.
336 (720)842 Landline Denver Qwest corporation
337 (720)847 Landline Aurora Qwest corporation
338 (720)848 Landline Aurora Qwest corporation
339 (720)849 Wireless Denver Sprint spectrum l.p.
340 (720)851 Landline Denver Qwest corporation
341 (720)852 Landline Denver Qwest corporation
342 (720)854 Landline Denver Qwest corporation
343 (720)855 Landline Denver Qwest corporation
344 (720)857 Landline Aurora Qwest corporation
345 (720)858 Landline Aurora Qwest corporation
346 (720)859 Landline Aurora Qwest corporation
347 (720)862 Landline Aurora Xo colorado
348 (720)863 Landline Denver sullivan Xo colorado
349 (720)864 Landline Longmont Qwest corporation
350 (720)865 Landline Denver Icg telecom group - co
351 (720)867 Landline Denver Great west services
352 (720)870 Landline Denver Qwest corporation
353 (720)872 Landline Denver Qwest corporation
354 (720)873 Landline Denver Qwest corporation
355 (720)874 Landline Denver Qwest corporation
356 (720)875 Landline Denver Qwest corporation
357 (720)876 Landline Denver Qwest corporation
358 (720)877 Landline Denver Icg telecom group - co
359 (720)878 Landline Denver Icg telecom group - co
360 (720)879 Landline Denver Icg telecom group - co
361 (720)880 Landline Denver Icg telecom group - co
362 (720)881 Landline Denver Icg telecom group - co
363 (720)882 Landline Denver Icg telecom group - co
364 (720)883 Landline Denver Icg telecom group - co
365 (720)884 Landline Denver Qwest corporation
366 (720)885 Wireless Denver Leap wireless intl
367 (720)886 Landline Denver Qwest corporation
368 (720)887 Landline Denver Qwest corporation
369 (720)888 Landline Denver Level 3 communications
370 (720)889 Landline Denver Allegiance telecom of colorado
371 (720)890 Landline Denver Qwest corporation
372 (720)891 Landline Denver Level 3 communications
373 (720)895 Landline Denver Qwest corporation
374 (720)897 Landline Denver Global crossing local services
375 (720)898 Landline Denver Qwest corporation
376 (720)903 Landline Denver Global crossing local services
377 (720)904 Landline Denver Qwest corporation
378 (720)907 Landline Denver sullivan Global crossing local services
379 (720)913 Landline Denver Icg telecom group - co
380 (720)917 Landline Denver Qwest corporation
381 (720)920 Landline Denver Teleport communications group - co
382 (720)921 Landline Denver Icg telecom group - co
383 (720)922 Landline Denver Qwest corporation
384 (720)924 Landline Deckers Qwest corporation
385 (720)929 Landline Denver Qwest corporation
386 (720)931 Landline Denver Qwest corporation
387 (720)932 Landline Denver Qwest corporation
388 (720)933 Wireless Denver T-mobile usa
389 (720)934 Wireless Denver T-mobile usa
390 (720)935 Wireless Denver T-mobile usa
391 (720)936 Wireless Denver T-mobile usa
392 (720)937 Wireless Denver T-mobile usa
393 (720)938 Wireless Denver T-mobile usa
394 (720)939 Wireless Denver T-mobile usa
395 (720)940 Wireless Denver Sprint spectrum l.p.
396 (720)941 Landline Denver Qwest corporation
397 (720)942 Landline Denver Qwest corporation
398 (720)943 Landline Denver Global crossing local services
399 (720)944 Landline Denver Qwest corporation
400 (720)945 Landline Denver Qwest corporation
401 (720)946 Landline Denver Qwest corporation
402 (720)947 Landline Denver Qwest corporation
403 (720)949 Landline Aurora At&t local
404 (720)951 Wireless Aurora Cellco partnership dba verizon wireless - co
405 (720)956 Landline Denver Qwest corporation
406 (720)961 Landline Denver Global crossing local services
407 (720)962 Landline Denver Qwest corporation
408 (720)963 Landline Denver Qwest corporation
409 (720)971 Wireless Denver Sprint spectrum l.p.
410 (720)972 Landline Denver Qwest corporation
411 (720)974 Landline Denver Eschelon telecom of colorado
412 (720)975 Landline Aurora Eschelon telecom of colorado
413 (720)977 Landline Denver Qwest corporation
414 (720)979 Wireless Denver Sprint spectrum l.p.
415 (720)980 Wireless Denver Sprint spectrum l.p.
416 (720)981 Landline Denver Qwest corporation
417 (720)982 Wireless Denver Sprint spectrum l.p.
418 (720)984 Wireless Denver Sprint spectrum l.p.
419 (720)985 Wireless Denver Sprint spectrum l.p.
420 (720)987 Wireless Denver Sprint spectrum l.p.
421 (720)988 Wireless Denver Sprint spectrum l.p.
422 (720)989 Wireless Denver Sprint spectrum l.p.
423 (720)998 Landline Aurora Comcast phone of colorado
424 (720)999 Landline Denver Liberty bell telecom