CPC Binary Barcode - Encoding Tables

Encoding Tables

Note that postal codes use only 20 letters; six letters (D, F, I, O, Q, U) are never used. Unused codepoints are indicated with dashes.

First and fourth fields (8 bits)
00: –– 01: –– 02: –– 03: –– 04: –– 05: –– 06: –– 07: –– 08: –– 09: –– 0A: –– 0B: –– 0C: –– 0D: –– 0E: –– 0F: ––
10: –– 11: X0 12: V1 13: V3 14: X1 15: V5 16: V6 17: V7 18: –– 19: V2 1A: V0 1B: V4 1C: X2 1D: V8 1E: V9 1F: ––
20: Z1 21: N1 22: L1 23: L3 24: T1 25: L5 26: L6 27: L7 28: W1 29: L2 2A: L0 2B: L4 2C: P1 2D: L8 2E: L9 2F: ––
30: Z3 31: N3 32: K1 33: K3 34: T3 35: K5 36: K6 37: K7 38: W3 39: K2 3A: K0 3B: K4 3C: P3 3D: K8 3E: K9 3F: ––
40: –– 41: X3 42: M1 43: M3 44: X4 45: M5 46: M6 47: M7 48: –– 49: M2 4A: M0 4B: M4 4C: X5 4D: M8 4E: M9 4F: ––
50: Z5 51: N5 52: R1 53: R3 54: T5 55: R5 56: R6 57: R7 58: W5 59: R2 5A: R0 5B: R4 5C: P5 5D: R8 5E: R9 5F: ––
60: Z6 61: N6 62: J1 63: J3 64: T6 65: J5 66: J6 67: J7 68: W6 69: J2 6A: J0 6B: J4 6C: P6 6D: J8 6E: J9 6F: ––
70: Z7 71: N7 72: A1 73: A3 74: T7 75: A5 76: A6 77: A7 78: W7 79: A2 7A: A0 7B: A4 7C: P7 7D: A8 7E: A9 7F: ––
80: –– 81: –– 82: H1 83: H3 84: X9 85: H5 86: H6 87: H7 88: –– 89: H2 8A: H0 8B: H4 8C: –– 8D: H8 8E: H9 8F: ––
90: Z2 91: N2 92: G1 93: G3 94: T2 95: G5 96: G6 97: G7 98: W2 99: G2 9A: G0 9B: G4 9C: P2 9D: G8 9E: G9 9F: ––
A0: Z0 A1: N0 A2: S1 A3: S3 A4: T0 A5: S5 A6: S6 A7: S7 A8: W0 A9: S2 AA: S0 AB: S4 AC: P0 AD: S8 AE: S9 AF: ––
B0: Z4 B1: N4 B2: C1 B3: C3 B4: T4 B5: C5 B6: C6 B7: C7 B8: W4 B9: C2 BA: C0 BB: C4 BC: P4 BD: C8 BE: C9 BF: ––
C0: –– C1: X6 C2: B1 C3: B3 C4: X7 C5: B5 C6: B6 C7: B7 C8: –– C9: B2 CA: B0 CB: B4 CC: X8 CD: B8 CE: B9 CF: ––
D0: Z8 D1: N8 D2: E1 D3: E3 D4: T8 D5: E5 D6: E6 D7: E7 D8: W8 D9: E2 DA: E0 DB: E4 DC: P8 DD: E8 DE: E9 DF: ––
E0: Z9 E1: N9 E2: Y1 E3: Y3 E4: T9 E5: Y5 E6: Y6 E7: Y7 E8: W9 E9: Y2 EA: Y0 EB: Y4 EC: P9 ED: Y8 EE: Y9 EF: ––
F0: –– F1: –– F2: –– F3: –– F4: –– F5: –– F6: –– F7: –– F8: –– F9: –– FA: –– FB: –– FC: –– FD: –– FE: –– FF: ––
Second field (5 bits) Third field (4 bits)
00: — 01: — 02: L 03: K 04: M 05: R 06: J 07: A 0: — 1: — 2: 1 3: 3
08: H 09: G 0A: S 0B: C 0C: B 0D: E 0E: Y 0F: — 4: — 5: 5 6: 6 7: 7
10: — 11: V 12: — 13: X 14: T 15: — 16: N 17: — 8: — 9: 2 A: 0 B: 4
18: W 19: — 1A: Z 1B: — 1C: P 1D: — 1E: — 1F: — C: — D: 8 E: 9 F: —

No field begins or ends with more than 3 consecutive 1 bits, guaranteeing that there are never more than 6 consecutive 1 bits. Guaranteeing the 5-bit limit on consecutive 0 bits is achieved by limiting the boundaries of the second and fourth fields to 3 consecutive 0 bits, and the first and third fields to 2 consecutive 0 bits:

  • No field contains more than 5 consecutive 0 bits. Code 81, which would contain 6 consecutive 0 bits in field 1 or 4, is not used.
  • Field 1 never ends in more than 2 consecutive 0 bits. Codes that end in 3 or more consecutive 0 bits encode the letters Z or W, which are not used for the first letter of postal codes.
  • Field 2 may begin or end with at most 3 consecutive 0 bits.
  • Field 3 never begins with more than 2 consecutive 0 bits, nor does it ever end with more than 1.
  • Field 4 may begin with up to 3 consecutive 0 bits, and may end with up to 5 consecutive 0 bits, but is always followed by a 1 bit (the alignment bar).


Barcodes
Linear barcodes
  • Automatic Car Identification
  • Code 39
  • Code 93
  • Code 128
  • Codabar
  • European Article Number
  • GS1 DataBar
  • ITF-14
  • MSI Barcode
  • Plessey
  • Telepen
  • UPC
  • Pharmacode
UPC-A MaxiCode
Post office barcodes
  • CPC Binary Barcode
  • Facing Identification Mark
  • PostBar
  • POSTNET
  • RM4SCC
  • Intelligent Mail barcode
  • PLANET
2D barcodes (stacked)
  • GS1 DataBar - PDF417
2D barcodes (matrix)
  • Aztec Code
  • Data Matrix
  • EZcode
  • MaxiCode
  • QR code
  • Semacode
Polar coordinate barcodes
  • MaxiCode - ShotCode
Other
  • High Capacity Color Barcode (Microsoft Tag)
Technological issues
  • Barcode reader
  • Barcode printer
Other data tags
  • RFID
  • Bokode
Related topics
  • Supply Chain Management
  • Object hyperlinking
  • Matrix
  • Mobile tagging
  • CueCat

Read more about this topic:  CPC Binary Barcode

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