| Business | Phone |
| A T & T 14601 S 50th St, Phoenix 85044 | (480) 893-6937 |
| A T & T 211 W Monroe St, Phoenix 85003 | (602) 252-1036 |
| A T & T 4701 E Francisco Dr, Phoenix 85044 | (602) 431-9163 |
| Arizona Dialtone 2702 W Thomas Rd, Phoenix 85017 | (602) 889-5000 |
| Arizona Telephone Warehouse 1936 W Mcdowell Rd, Phoenix 85009 | (602) 273-1800 |
| Better Phone Svc 2425 E Thomas Rd, Phoenix 85016 | (623) 977-0118 |
| S P Telecom 3300 N Central Ave, Phoenix 85012 | (602) 234-3933 |
| Bird Above 2501 W Behrend Dr # 45, Phoenix 85027 | (480) 889-9999 |
| Bizcom Information Systems 6868 N 7th Ave # 222, Phoenix 85013 | (602) 252-2222 |
| Black Box Network Svc 3200 E Camelback Rd # 375, Phoenix 85018 | (602) 273-6400 |
| Broadwing Commmunications 2120 N Central Ave # G33, Phoenix 85004 | (602) 238-9283 |
| Quiescent Telecommunications 2600 N Central Ave, Phoenix 85004 | (602) 735-2620 |
| Citynet Arizona Llc 1402 E Buckeye Rd, Phoenix 85034 | (602) 253-7702 |
| Countdown Communications 1951 W Camelback Rd, Phoenix 85015 | (602) 324-0242 |
| Network Services 1 E Camelback Rd, Phoenix 85012 | (602) 230-4444 |
| Merge Communications 3875 N 44th St # 275, Phoenix 85018 | (602) 212-2300 |
| Electric Lightwave Inc 8181 S 48th St # 120, Phoenix 85044 | (480) 889-6100 |
| Eschelon Telecom Inc 2600 N Central Ave # 550, Phoenix 85004 | (602) 424-2400 |
| Gst Telecom Of Arizona 3220 N 3rd St, Phoenix 85012 | (602) 274-8125 |
| Ingenia Solutions 2425 E Camelback Rd # 950, Phoenix 85016 | (602) 346-5083 |
| Intercall 3131 E Camelback Rd # 200, Phoenix 85016 | (602) 606-5725 |
| Fishel Co 1819 S 27th Ave, Phoenix 85009 | (602) 233-0658 |
| Sterling Network Exchange 120 E Van Buren St, Phoenix 85004 | (602) 344-3600 |
| Southwest Phone Cards 3930 E Watkins St, Phoenix 85034 | (602) 288-8011 |