Lookup › OCN 6534
OCN 6534 — AT&T
Operating Company Number (OCN) 6534 identifies AT&T in North American telephone routing records.
| OCN | 6534 |
|---|---|
| Company | AT&T |
| Numbers in directory | 0 |
Area codes with AT&T numbers
- 724 (57)
- 612 (42)
- 219 (41)
- 832 (35)
- 210 (29)
- 737 (28)
- 214 (25)
- 314 (22)
- 810 (20)
- 412 (20)
- 513 (18)
- 870 (16)
- 313 (14)
- 817 (14)
- 281 (13)
- 903 (13)
- 312 (13)
- 937 (12)
- 414 (10)
- 512 (10)
- 816 (10)
- 419 (9)
- 956 (8)
- 316 (8)
- 309 (7)
- 319 (7)
- 248 (7)
- 682 (7)
- 830 (6)
- 409 (5)
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Last updated: February 6, 2026